We are required to explain the effect of work on the motion of an object.

If the net work, done on an object is positive, what can you conclude about the object's motion?

(Assuming there is no force of friction on the object)

a) The object is speeding up.

b) The object is moving with a constant velocity.

c) The object is slowing down.

d) The object is at rest; its position is constant.

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