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AP® Physics 1 & 2

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Properties of a System: When to Use an Extended Body Model

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In which of the following situations would it NOT be appropriate to model the ball as a point object?

A

A cannonball is flying through the air.

B

A basketball is picking up speed as it rolls without slipping down a hill.

C

A pool ball rolls across a pool table and hits another pool ball.

D

A wrecking ball on the end of a chain swings into an empty train car on a siding.