NEET-UG SERIES

Physics

Laws Of Motion

57 previous year questions.

Volume: 57 Ques

Yield: High

High-Yield Trend

2

2023

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2021

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2019

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2018

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2012

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2011

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Chapter Questions
57 MCQs

01

PYQ 1988

medium

physics ID: neet-ug-

Starting from rest, a body slides down a inclined plane in twice the time it takes to slide down the same distance in the absence of friction. The coefficient of friction between the body and the inclined plane is

1

0.8

2

0.75

3

0.25

4

0.33

02

PYQ 1989

easy

physics ID: neet-ug-

250 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m then the load is lifted to 3m, the efficiency of pulley system will be : -

1

0.25

2

0.333

3

0.75

4

0.9

03

PYQ 1990

medium

physics ID: neet-ug-

A rocket is set for a vertical fring. If the exhaust speed is the mass of the gas ejected per second to supply the thrust needed to overcome the weight of rocket is

1

2

3

4

04

PYQ 1991

medium

physics ID: neet-ug-

A heavy uniform chain lies on horizontal table top. If the coefficient of friction between the chain and the table surface is 0.25 s, then the maximum fraction of the length of the chain that can hang over one edge of the table is

1

0.2

2

0.25

3

0.35

4

0.15

05

PYQ 1993

medium

physics ID: neet-ug-

A block has been placed on a inclined plane with the slope angle, block slides down the plane at constant speed. The coefficient of kinetic friction is equal to

1

2

3

4

06

PYQ 1993

medium

physics ID: neet-ug-

A monkey is decending from the branch of a tree with constant acceleration. If the breaking strength is 75% of the weight of the monkey, the minimum acceleration with which monkey can slide down without branch is

1

g

2

3

4

07

PYQ 1994

easy

physics ID: neet-ug-

Two identical balls and having velocities of and respectively collide elastically in one dimension. The velocities of and after the collision respectively will be -

1

and

2

and

3

and

4

and

08

PYQ 1996

easy

physics ID: neet-ug-

A force vector applied on a mass is represented as and accelerates with What will be the mass of the body?

1

2

3

4

09

PYQ 1996

medium

physics ID: neet-ug-

A man fires a bullet of mass at a speed of . The gun is of one mass. By what velocity the gun rebounds backward?

1

1 m/s

2

0.01 m/s

3

0.1 m/s

4

10 m/s

10

PYQ 1998

medium

physics ID: neet-ug-

A mass of is suspended by means of a thread. The system is (i) lifted up with an acceleration of (ii) lowered with an acceleration of . The ratio of tension in the first and second case is

1

2

3

4

11

PYQ 1998

easy

physics ID: neet-ug-

A bullet is fired from a gun. The force on the bullet is given by where, F is in newton and t in seconds. The force on the bullet becomes zero as soon as it leaves the barrel. What is the average impulse imparted to the bullet?

1

9 Ns

2

zero

3

1.8 Ns

4

0.9 Ns

12

PYQ 1999

medium

physics ID: neet-ug-

A stone is dropped from a height . It hits the ground with a certain momentum . If the same stone is dropped from a height 100% more than the previous height, the momentum when it hits the ground will change by -

1

41 %

2

200 %

3

1

4

0.6

13

PYQ 2000

medium

physics ID: neet-ug-

A body of mass hits a wall at an angle of and returns at the same angle. The impact time was . The force exerted on the wall

1

2

3

4

14

PYQ 2000

easy

physics ID: neet-ug-

Two masses as shown in the figure are suspended from a massless pulley. The acceleration of the system when masses are left free is

1

2

3

4

15

PYQ 2001

medium

physics ID: neet-ug-

250 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m then the load is lifted to 3m, the efficiency of pulley system will be

1

25%

2

33.30%

3

75%

4

90%

16

PYQ 2001

medium

physics ID: neet-ug-

On the horizontal surface of a truck a block of mass 1 kg is placed (µ = 0.6) and truck is moving with acceleration 5 m/s 2 then the frictional force on block will be : -

1

5N

2

6N

3

5.88N

4

8N

17

PYQ 2001

medium

physics ID: neet-ug-

A cricketer catches a ball of mass 150 gm in 0.1 sec moving with speed 20 m/s, then he experiences force of

1

300 N

2

30 N

3

3 N

4

0.3 N

18

PYQ 2001

easy

physics ID: neet-ug-

A 1 kg stationary bomb is exploded in three parts having mass respectively. Part having same mass move in perpendicular direction with velocity 30 m/s, then the velocity of bigger part will be

1

2

3

4

19

PYQ 2002

medium

physics ID: neet-ug-

A lift of mass 1000 kg which is moving with acceleration of in upward direction, then the tension developed in string which is connected to lift is :-

1

9800 N

2

10,800 N

3

11,000 N

4

10,000 N

20

PYQ 2002

medium

physics ID: neet-ug-

A block of mass 10 kg placed on the rough horizontal surface having a coefficient of friction µ = 0.5, if a horizontal force of 100 N acting on it then the acceleration of the block will be :

1

10 m/s 2

2

5 m/s 2

3

15 m/s 2

4

0.5 m/s 2

21

PYQ 2003

medium

physics ID: neet-ug-

A monkey of mass is holding a vertical rope. The rope will not break when a mass of is suspended from it but will break if the mass exceeds What is the maximum acceleration with which the monkey can climb up along the rope ?

1

2

3

4

22

PYQ 2004

medium

physics ID: neet-ug-

The coefficient of static friction, µs, between block A of mass 2 kg and the table as shown in the figure is 0.2. What would be the maximum mass value of block B so that the two blocks do not move ? The string and the pulley are assumed to be smooth and massless.

1

4.0 kg

2

0.2 kg

3

0.4 kg

4

2.0 kg

23

PYQ 2004

medium

physics ID: neet-ug-

A block of mass m is placed on a smooth wedge of inclination θ. The whole system is accelerated horizontally so that the block does not slip on the wedge. The force exerted by the wedge on the block (g is acceleration due to gravity) will be

1

mg sin θ

2

mg

3

4

mg cosθ

24

PYQ 2004

medium

physics ID: neet-ug-

A stone is tied to a string of length 'l' and is whirled in a vertical circle with the other end of the string as the center. At a certain instant of time, the stone is at its lowest position and has a speed of 'u'. The magnitude of the change in velocity as it reaches a position where the string is horizontal (g being acceleration due to gravity) is

1

2

3

4

25

PYQ 2004

medium

physics ID: neet-ug-

A particle of mass m 1 is moving with a velocity v 1 and another particle of mass m 2 is moving with a velocity v 2 . Both of them have the same momentum but their different kinetic energies are E 1 and E 2 respectively. f m 1 > m 2 then :

1

2

E 1 > E 2

3

E 1 = E 2

4

E 1 < E

26

PYQ 2004

medium

physics ID: neet-ug-

A block of mass is placed on a smooth wedge of inclination . The whole system is accelerated horizontally so that the block does not slip on the wedge. The force exerted by the wedge on the block will be (is acceleration due to gravity)

1

2

3

mg

4

27

PYQ 2006

medium

physics ID: neet-ug-

A tube of length L is filled completely with an incompressible liquid of mass M and closed at both the ends. The tube is then rotated in a horizontal plane about one of its ends with a uniform angular velocity . The force exerted by the liquid at the other end is :

1

2

3

2ML 2

4

28

PYQ 2006

medium

physics ID: neet-ug-

A 0.5 kg ball moving with a speed of 12 m/s strikes a hard wall at an angle of 30° with the wall. It is reflected with the same speed and at the same angle. If the ball is in contact with the wall for 0.25 s, the average force acting on the wall is :

1

8 N

2

24 N

3

16 N

4

96 N

29

PYQ 2008

medium

physics ID: neet-ug-

A roller coaster is designed such that riders experience ''weightlessness'' as they go round the top of a hill whose radius of curvature is 20 m. The speed of the car at the top of the hill is between

1

16 m/s and 17 m/s

2

13 m/s and 14 m/s

3

14 m/s and 15 m/s

4

15 m/s and 16 m/s

30

PYQ 2009

medium

physics ID: neet-ug-

The mass of a lift is When the tension in the supporting cable is then its acceleration is

1

upwards

2

downwards

3

upwards

4

downwards

31

PYQ 2010

medium

physics ID: neet-ug-

A gramophone record is revolving with an angular velocity . A coin is placed at a distance from the centre of the record. The static coefficient of friction is . The coin will revolve with the record if

1

2

3

4

32

PYQ 2010

easy

physics ID: neet-ug-

A block of mass is in contact with the cart as shown in the figure. The coefficient of static friction between the block and the cart is . The acceleration of the cart that will prevent the block from falling satisfies

1

2

3

4

33

PYQ 2011

medium

physics ID: neet-ug-

A conveyor belt is moving at a constant speed of A box is gently dropped on it. The coefficient of friction between them is . The distance that the box will move relative to belt before coming to rest on it, taking, is

1

0.4 m

2

1.2 m

3

0.6 m

4

Zero

34

PYQ 2011

easy

physics ID: neet-ug-

A person of mass is inside a lift of mass and presses the button on control panel. The lift starts moving upwards with an acceleration . If, the tension in the supporting cable is

1

8600 N

2

9680 N

3

11000 N

4

1200 N

35

PYQ 2012

medium

physics ID: neet-ug-

A car of mass m is moving on a level circular track of radius R.If represents the static friction between the road and tyres of the car, the maximum speed of the car in circular motion is given by

1

2

0

3

4

36

PYQ 2012

medium

physics ID: neet-ug-

A car of mass negotiates a banked curve of radius on a frictionless road. If the banking angle is, the speed of the car is

1

2

3

4

37

PYQ 2013

medium

physics ID: neet-ug-

An explosion breaks a rock into three parts in a horizontal plane. Two of them go off at right angles to each other. The first part of mass moves with a speed of and the second part of mass moves with speed. If the third part files off with speed, then its mass is :

1

17 kg

2

3 kg

3

5 kg

4

7 kg

38

PYQ 2014

medium

physics ID: neet-ug-

The force F acting on a particle of mass m is indicated by the force-time graph shown below. The change in momentum of the particle over the time interval from zero to 8s is

1

20Ns

2

12Ns

3

6Ns

4

24Ns

39

PYQ 2014

medium

physics ID: neet-ug-

A balloon with mass m is descending down with an acceleration a (where a < g). How much mass should be removed from it so that it starts moving up with an acceleration ?

1

2

3

4

40

PYQ 2014

medium

physics ID: neet-ug-

A system consists of three masses, and connected by a string passing over a pulley . The mass hangs freely and and are on a rough horizontal table (the coefficient of friction =). The pulley is frictionless and of negligible mass. The downward acceleration of mass is (Assume)

1

2

3

4

41

PYQ 2015

easy

physics ID: neet-ug-

A plank with a box on it at one end is gradually raised about the other end. As the angle of inclination with the horizontal reaches 30, the box starts to slip and slides 4.0 m down the plank in 4.0 s The coefficients of static and kinetic friction between the box and the plank will be, respectively

1

0.5 and 0.6

2

0.4 and 0.3

3

0.6 and 0.6

4

0.6 and 0.5

42

PYQ 2015

easy

physics ID: neet-ug-

Two stones of masses m and 2m are whirled in horizontal circles, the heavier one in a radius r/2 and the lighter one in radius r. The tangential speed of lighter stone is n times that of the value of heavier stone when they experience same centripetal forces. The value of n is

1

4

2

1

3

2

4

3

43

PYQ 2015

easy

physics ID: neet-ug-

Three blocks of mass, respectively are in contact on a frictionless table as shown in the figure. If a force of is applied on the block, the contact force between the and the block will be

1

8 N

2

18 N

3

2 N

4

6 N

44

PYQ 2015

easy

physics ID: neet-ug-

A block A of mass rests on a horizontal table. A light string connected to it passes over a frictionless pully at the edge of table and from its other end another block B of mass is suspended. The coefficient of kinetic friction between the block and the table is . When the block A is sliding on the table, the tension in the string is

1

2

3

4

45

PYQ 2016

easy

physics ID: neet-ug-

A bullet of mass moving horizontally with a velocity of strikes a wooden block of mass which is suspended by a light inextensible string of length . As a result, the centre of gravity of the block is found to rise a vertical distance of . The speed of the bullet after it emerges out horizontally from the block will be -

1

2

3

4

46

PYQ 2016

hard

physics ID: neet-ug-

A rigid ball of mass strikes a rigid wall at and gets reflected without loss of speed as shown in the figure. The value of impulse imparted by the wall on the ball will be

1

2

3

4

47

PYQ 2016

medium

physics ID: neet-ug-

A car is negotiating a curved road of radius R. The road is banked at an angle . The coefficient of friction between the types of the car and the road is . The maximum safe velocity on this road is :

1

2

3

4

48

PYQ 2017

easy

physics ID: neet-ug-

Two blocks and of masses and respectively are connected by a massless and inextensible string. The whole system is suspended by a massless spring as shown in figure. The magnitudes of acceleration of and immediately after the string is cut, are respectively :

1

2

3

4

49

PYQ 2018

medium

physics ID: neet-ug-

Which one of the following statements is incorrect ?

1

Coefficient of sliding friction has dimensions of length.

2

Rolling friction is smaller than sliding friction.

3

Frictional force opposes the relative motion.

4

Limiting value of static friction is directly proportional to normal reaction.

50

PYQ 2019

easy

physics ID: neet-ug-

An object flying in air with velocity suddenly breaks in two pieces whose masses are in the ratio . The smaller mass flies off with a velocity . The velocity of the larger piece will be :

1

2

3

4

51

PYQ 2019

medium

physics ID: neet-ug-

A block of mass is in contact against the inner wall of a hollow cylindrical drum of radius . The coefficient of friction between the block and the inner wall of the cylinder is . The minimum angular velocity needed for the cylinder to keep the block stationary when the cylinder is vertical and rotating about its axis, will be :

1

10 rad/s

2

10 rad/s

3

4

rad/s

52

PYQ 2019

easy

physics ID: neet-ug-

Two bullets are fired horizontally and simultaneously towards each other from roof tops of two buildings 100 m apart and of same height of 200m with the same velocity of 25 m/s. When and where will the two bullets collides. (g =10 m/s)

1

after 2s at a height 180 m

2

after 2s at a height of 20 m

3

after 4s at a height of 120 m

4

they will not collide

53

PYQ 2021

medium

physics ID: neet-ug-

A uniform rod of length 200 cm and mass 500 g is balanced on a wedge placed at the 40 cm mark. A mass of 2 kg is suspended from the rod at 20 cm and another unknown mass ‘m’ is suspended from the rod at the 160 cm mark as shown in the figure. Find the value of ‘m’ such that the rod is in equilibrium. (g=10 m/s 2)

1

kg

2

kg

3

kg

4

kg

54

PYQ 2021

medium

physics ID: neet-ug-

A particle moving in a circle of radius R with a uniform speed takes a time T to complete one revolution. If this particle were projected with the same speed at an angle ‘θ’ to the horizontal, the maximum height attained by it equals 4R. The angle of projection, θ, is then given by

1

2

3

4

55

PYQ 2021

medium

physics ID: neet-ug-

A ball of mass 0.15 kg is dropped from a height 10 m, strikes the ground and rebounds to the same height. The magnitude of impulse imparted to the ball is (g=10 m/s2) nearly

1

1.4 kg m/s

2

0 kg m/s

3

4.2 kg m/s

4

2.1 kg m/s

56

PYQ 2023

medium

physics ID: neet-ug-

An electric lift with a maximum load of 2000 kg (lift + passengers) is moving up with a constant speed of 1.5 ms -1 . The frictional force opposing the motion is 3000N. The minimum power delivered by the motor to the lift in watts is: (g =10 ms -2)

1

23000

2

20000

3

34500

4

23500

57

PYQ 2023

hard

physics ID: neet-ug-

A football player is moving southward and suddenly turns eastward with the same speed to avoid an opponent. The force that acts on the player while turning is:

1

along south-west

2

along eastward

3

along northward

4

along north-east

About Laws Of Motion - NEET-UG

Laws Of Motion is a vital chapter for NEET-UG aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Laws Of Motion PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Laws Of Motion carry the most weight. Then, tackle the questions iteratively to solidify your understanding.