When work is done by a force on an object, then which of the following is true?
A) The speed of the object must change.
B) The object does an equal amount of work on the force.
C) The work done is equal to the change of total kinetic energy of the object plus any energy appearing as heat, light, or sound.
D) The object must change height above the ground.
E) The force cannot take energy away from the object.
Correct Answer:
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