During the free fall of the object, the decrease in potential energy, at any point in its path, appears as an equal amount of increase in
A. kinetic energy
B. work done
C. heat energy
D. gravitational force
Answer: Option A
A. kinetic energy
B. work done
C. heat energy
D. gravitational force
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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