Which of the following position is no work done?
A. Kapil stands with a weight of 10 kg on his shoulder
B. Sachin walks 4 km
C. A porter carries weight from a bus to a car
D. Arun plays cricket on the field
Answer: Option A
A. Kapil stands with a weight of 10 kg on his shoulder
B. Sachin walks 4 km
C. A porter carries weight from a bus to a car
D. Arun plays cricket on the field
Answer: Option A
Which of the following can do more work?
A. A raised hammer
B. A bullet fired by the gun
C. A moving stone
D. A rotating wheel
A. Energy released by a moving object
B. Energy emitted during mechanical work
C. The sum of the kinetic energy and potential energy of an object
D. Equal to the rate of work done
A. Chemical energy
B. Potential energy
C. Kinetic energy
D. Heat energy
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