A horizontal force of 10 N displaces an object of 5 kg to a distance of 2 m in the direction of the force. What will be the work done by the object?
A. 20J
B. 5J
C. 50J
D. 10J
Answer: Option A
A. 20J
B. 5J
C. 50J
D. 10J
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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