JCECE SERIES Physics
Motion In A Plane
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
1
2011 1
2010 1
2006 1
2005 1
2004 Chapter Questions 5 MCQs
01
PYQ 2004
medium
physics ID: jcece-20
Two vectors have magnitudes 3 and 5. If angle between them is 60 , then the dot product of two vectors will be
1
7.5
2
6.5
3
8.4
4
7.9
02
PYQ 2005
easy
physics ID: jcece-20
A rifle shoots a bullet with a muzzle velocity of at a small target 50 m away. To hit the target the rifle must be aimed: (Take )
1
exactly at the target
2
10 cm below the target
3
10 cm above the target
4
5 cm above the target
03
PYQ 2006
medium
physics ID: jcece-20
The work done by the centripetal force F when the body completes one rotation around the circle of radius R is:
1
2
3
RF
4
zero
04
PYQ 2010
medium
physics ID: jcece-20
At what angle must the two forces (x + y) and (x - y) act so that the resultant may be ?
1
2
3
4
05
PYQ 2011
medium
physics ID: jcece-20
The motor of an engine is rotating about its axis with an angular velocity of 100 rev/m. If conies to rest in 15s, after being switched off. Assuming constant angular deceleration. What are the numbers of revolutions made by it before coming to rest?
1
12.5
2
40
3
32.6
4
15.6