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
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Answer:
2 N
Explanation:
Frictional force balances the weight of the block.
= μN
⇒ = (0.2)(10) = 2 N
As the block is in equilibrium, (As it is stationary) The weight of the block must cancel out the frictional force,
According to Newton's second law, = ma
⇒ W - = m(0)
⇒ W =
Hence weight of the block is 2 N.
Thanks !
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