Forces in Connected Objects (Systems) Video Lessons

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Problem: The hand in the figure is pushing on the back of block A. Blocks A and B, with mB>mA, are connected by a massless string and slide on a frictionless surface. Is the force of the string on B larger than, smaller than, or equal to the force of the hand on A? Explain.

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Newton's second law:

ΣF=ma

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Problem Details

The hand in the figure is pushing on the back of block A. Blocks A and B, with mB>mA, are connected by a massless string and slide on a frictionless surface. Is the force of the string on B larger than, smaller than, or equal to the force of the hand on A? Explain.

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