1. A fast wind can turn the blades of a windmill because it possesses
(a) potential energy
(b) kinetic energy
(c) chemical energy
(d) heat energy
2. Splitting of Uranium nucleus releases
(a) kinetic energy
(b) potential energy
(c) nuclear energy
(d) chemical energy
3. A bullet fired from a gun possesses
(a) potential energy
(b) kinetic energy
(c) wind energy
(d) solar energy
4. Potential energy of your body is minimum when you –
(a) are standing
(b) are sitting on a chair
(c) are sitting on the ground
(d) lie down on the ground
5. Work is defined as
(a) Force per unit time
(b) Force over a distance
(c) Force per unit distance
(d) None of the above
6. The S.I. unit of energy is
(a) joule
(b) newton
(c) metre/second
(d) newton-metre
7. What is the sign of the work performed on an object in uniform circular motion?
(a) Zero
(b) Positive
(c) Negative
(d) Depends on the particular situation
8. What is the magnitude of the work done by a force acting on a particle instantaneously?
(a) Zero
(b) Positive
(c) Negative
(d) None of these
9. Energy is measured in the same units as
(a) Power
(b) Force
(c) Work
(d) None of the above
10. The units of power are defined as
(a) Joules
(b) Newtons
(c) Joules per meter
(d) Watts
Note : Answers will be updated soon........
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