A ball weighing 0.1 kilogram is dropped from a stationary position when it falls from a distance of 2 meters, then what will be the work done by the force of gravity.
A. 1.96 J
B. -1.96 J
C. -0.98 J
D. 0.98 J
Answer: Option A
A. 1.96 J
B. -1.96 J
C. -0.98 J
D. 0.98 J
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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