Kinetic & Potential Energy NEET Questions

Physics - Work, Energy, and Power

Kinetic & Potential Energy MCQ Questions


1.
The kinetic energy of a body of mass m moving with speed v is:
A.
mv
B.
mv²
C.
½mv²
D.
2mv²
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ANSWER :
C. ½mv²
2.
A particle of mass m is moving with velocity v. If its kinetic energy is doubled, what will be its new velocity?

NEET - 2018

A.
v
B.
√2 v
C.
2v
D.
v/√2
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ANSWER :
B. √2 v
3.
Kinetic energy is a measure of:
A.
The force acting on the body
B.
The work the body can do by virtue of its motion
C.
The momentum of the body
D.
The power of the body
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ANSWER :
B. The work the body can do by virtue of its motion
4.
Which of the following is TRUE about kinetic energy?
A.
KE is a vector quantity in the direction of velocity
B.
KE can be negative when body moves in negative direction
C.
KE is always a positive scalar quantity
D.
KE depends on direction of motion
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ANSWER :
C. KE is always a positive scalar quantity
5.
A body of mass m is raised to a height h above the Earth's surface. The increase in its potential energy is given by:

NEET - 2017

A.
mgh
B.
mg/h
C.
mh/g
D.
mgh²
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ANSWER :
A. mgh
6.
A body of mass m has momentum p. Its kinetic energy in terms of p and m is:
A.
p/2m
B.
p²/m
C.
p²/2m
D.
2p/m
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ANSWER :
C. p²/2m