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Static Friction

Boy B is push...

Question

Boy B is pushing a block with a force of 100 N and another Boy A tends to stop the same block with a force of 200 N as shown. If the friction between the floor and block is 80 N, the block will and the net force acting on it is _ .

A

move towards left, 20 N

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B

move towards right, 100 N

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C

remain at rest, 0 N

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D

move towards right, 20 N

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Solution

The correct option is D move towards right, 20 N

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