Questions
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
detailed solution
Correct option is D
Let R be the normal contact force by wall on the block. R=10N F=w and F=μR∴ μR=wor w=0.2×10=2NTalk to our academic expert!
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