Which of the following actions cannot be caused by a force?

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A Changing the speed of a moving object
B Changing the direction of motion
C Changing the shape of an object
D Changing the mass of an object

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Answer: D. Changing the mass of an object

Changing the mass of an object (Force can alter motion, direction, and shape, but the amount of matter or mass remains constant).

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Which of the following actions cannot be caused by a force?

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