Which of the following quantity does not change even after changing place?
A. Mass
B. Force due to friction
C. Weight
D. Gravity
Answer: Option A
A. Mass
B. Force due to friction
C. Weight
D. Gravity
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
Join The Discussion