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A horizontal force of 10 N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.2. The weight of the block is ?

A horizontal force of 10 N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.2. The weight of the block is ?

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Friction force balance the wight of the block

friction forcef=μN=0.2×10=2N

2N must be the wight of the block so that it is in equilibrium

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