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A block of mass 1 kg is placed on a surf...

A block of mass 1 kg is placed on a surface for which `mu_(s)=0.2"&"mu_(k)=0.15`, an external force F is applied on the block as shown in the figure, using `g=10m//sec^(2)`, find:
(a) The force of friction on block
(b) Its acceleration
(i) When F=1 N
(ii) When F=2 N
(iii) When F=2.5 N

Text Solution

Verified by Experts

The correct Answer is:
(i) f=1 N,a=0
(ii) f=2 N,`a=0m//s^(2)`
(iii) f=1.5 N, `a=1m//s^(2)`
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