JKCET SERIES

Physics

Motion In A Plane

21 previous year questions.

Volume: 21 Ques

Yield: High

High-Yield Trend

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2024

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2018

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2017

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2016

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2015

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2013

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2012

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2010

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2008

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2007

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2006

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2005

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2003

Chapter Questions
21 MCQs

01

PYQ 2003

medium

physics ID: jkcet-20

A particle originally at rest at the highest point of a smooth circle in a vertical plane, is gently pushed and starts sliding/along the circle. It will leave the circle at vertical distance . below the highest point such that

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4

02

PYQ 2003

medium

physics ID: jkcet-20

Two vectors are given by and . Find the third vector if

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4

03

PYQ 2005

medium

physics ID: jkcet-20

A particle describes a horizontal circle in a conical funnel whose inner surface is smooth with speed of . What is the height of the plane of circle from vertex of the funnel?

1

2

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4

04

PYQ 2006

easy

physics ID: jkcet-20

Which of the following statements is true?

1

When the coordinate axes are translated the component of a vector in a plane changes

2

When the coordinate axes are rotated through some angle components of the vector change but the vector's magnitude remains constant

3

Sum of and is . If the magnitude of alone is increased angle between and decreases

4

The cross product of and is 12

05

PYQ 2006

medium

physics ID: jkcet-20

Angle of banking for a vehicle speed of for a radius of curvature is (assume)

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4

06

PYQ 2007

medium

physics ID: jkcet-20

A particle moves from position to due to a uniform force of . Find the work done, if the displacement is in metre.

1

16 J

2

64 J

3

32 J

4

48 J

07

PYQ 2007

medium

physics ID: jkcet-20

Vector which is perpendicular to is

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2

3

4

All of these

08

PYQ 2008

medium

physics ID: jkcet-20

A body moving along a circular path of radius with velocity, has centripetal acceleration a. If its velocity is made equal to, then its centripetal acceleration is

1

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4

09

PYQ 2010

medium

physics ID: jkcet-20

An object is projected so that its horizontal range is maximum. If the maximum height attained by the object is, then the ratio of is

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4

10

PYQ 2010

medium

physics ID: jkcet-20

A can filed with water is revolved in a vertical circle of radius 4 m and the water does not fall down. The time period for a revolution is about

1

2 s

2

4 s

3

8 s

4

10 s

11

PYQ 2012

medium

physics ID: jkcet-20

A certain vector in the plane has an -component of and a -component of . It is then rotated in the plane so that its -component is halved. Then ifs new -component is approximately

1

14 m

2

13.11 m

3

10 m

4

2.0 m

12

PYQ 2013

medium

physics ID: jkcet-20

A projectile is thrown with initial velocity and angle with the horizontal. If it remains in the air for, what was its initial velocity?

1

19.6 m/s

2

9.8 m/s

3

4.9 m/s

4

1 m/s

13

PYQ 2013

medium

physics ID: jkcet-20

Uniform circular motion is an example of

1

constant speed motion

2

constant velocity motion

3

non-accelerated motion

4

zero accelerated motion

14

PYQ 2013

medium

physics ID: jkcet-20

The velocity vector of the motion described by the position vector of a particle, is given by

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15

PYQ 2015

easy

physics ID: jkcet-20

A ball is projected up at an angle with horizontal from the top of a tower with speed . It hits the ground at point after time with speed . Now, this ball is projected at same angle and speed from the base of the tower (located at point) and it hits ground at point after time with speed . Then

16

PYQ 2016

easy

physics ID: jkcet-20

A particle moves with a uniform speed and time period in a circular path of radius . If the speed of the particle is doubled, its new time period is

1

2

3

4

17

PYQ 2017

medium

physics ID: jkcet-20

A bird flies at an angle of to the horizontal. Its horizontal component of velocity is . Find the vertical component of velocity in .

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18

PYQ 2017

medium

physics ID: jkcet-20

A projectile is fired at an angle of and reaches the highest point in its path after . Find the velocity of projectile in,

1

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4

19

PYQ 2018

medium

physics ID: jkcet-20

An athlete runs exactly once around a circular track of length . The runners displacement in the race is

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20

PYQ 2018

medium

physics ID: jkcet-20

A ball is thrown horizontally from a height of with an initial speed of . How far does it travel horizontally in the first seconds ?

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4

21

PYQ 2024

medium

physics ID: jkcet-20

The displacement of the body is given to be proportional to the cube of time elapsed. The magnitude of acceleration of body is

1

Increasing with time

2

Decreasing with time

3

Constant but not zero

4

Zero