Which ball excerts a geater net force on the block

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Two balls attached to strings have the same mass and volume, but are made of different materials. They are released from the same angle and each hit the block. Ball A bounces back, almost to the same height from which it was released. Ball B sticks to the block. Which ball excerts a geater net force on the block, ball A or ball B? Explain your reasoning.

Reference no: EM13315940

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