Kinetic & Potential Energy NEET Questions

Physics - Work, Energy, and Power

Kinetic & Potential Energy MCQ Questions


7.
The potential energy of an object in a uniform gravitational field depends on:
A.
Its mass and velocity
B.
Its mass and height
C.
Its velocity and height
D.
Its mass and the acceleration due to gravity
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ANSWER :
B. Its mass and height
8.
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
9.
When a body falls freely under gravity, its potential energy is converted into:
A.
Kinetic energy
B.
Heat energy
C.
Light energy
D.
Mechanical energy
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ANSWER :
A. Kinetic energy
10.
The kinetic energy of a body is always:
A.
Zero
B.
Positive
C.
Negative
D.
Dependent on velocity
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ANSWER :
B. Positive
11.
The potential energy of an object depends on:
A.
Its speed
B.
Its mass and position
C.
Its velocity
D.
Its temperature
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ANSWER :
B. Its mass and position
12.
The change in the total mechanical energy of a system is equal to:
A.
The work done by internal forces
B.
The work done by external forces
C.
The work done by non-conservative forces
D.
Zero
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ANSWER :
C. The work done by non-conservative forces