1.

A person holds a block weighing 2kg between his hands & keeps it from down by pressing it with his hands. If the force exerted by each hand horizontally is 50 N, the co-efficient of friction between the hand & the block is (g=10 ms^(-2))

Answer»

`0.2`
`0.4`
`0.1`
`0.5`

ANSWER :A


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