### Principle of Conservation of Energy Quiz Questions and Answers ### Questions & Options

#### 1. The capacity for doing work by a body is known as:

 57070 Work 57071 Power 57072 Energy 57073 Efficiency

#### 2. The unit of energy:

 57074 Joule 57075 Horse -power 57076 Watt 57077 Tesla

#### 3. The energy possessed by the body by virtue of its motion is known as:

 57078 Applied energy 57079 Internal energy 57080 External energy 57081 Kinetic energy

#### 4. Which form of energy does the flowing water of a river possess?

 57082 Gravitational 57083 Potential 57084 Electrical 57085 Kinetic

#### 5. When a body is whirled in a circle, the work done on it is:

 57086 Positive 57087 Negative 57088 Infinite 57089 Zero

#### 6. The energy stored in watch spring is:

 57090 Kinetic energy 57091 Potential energy 57092 Heat energy 57093 Mechanical energy

#### 7. No work is said to have been done when an object moves at an angle of_____________with the direction of the force.

 57094 Zero degree 57095 90 degree 57096 180 degree 57097 Between 90 degree and 180 degree

#### 8. A ball is projected upward in the air. As it rises its.....

 57098 Kinetic energy increases 57099 Acceleration increases 57100 Potential energy increases 57101 Momentum increases

#### 9. The unit of force and length be each increased by four times, then the unit of energy is increased by...

 57102 16 times 57103 8 times 57104 4 times 57105 2 times

#### 10. Which of the following is a vector quantity?

 57106 Work 57107 Kinetic energy 57108 Force 57109 Potential energy

#### 11. The mass of an object A is double the mass of B. If both move with the same velocity, then the ratio of K. E. of A to B is...

 57110 1:2 57111 2:1 57112 1:4 57113 4:1

#### 12. When the force retards the motion of a body, the work done is...

 57114 Positive or negative depending upon the magnitude of force and displacement 57115 Zero 57116 Positive 57117 Negative

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