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Laws Of Motion

Question

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A body exerts a force 200N normal to the rough surface having coefficient of friction 0.3. What is the value of limiting friction?

Solution

Normal force, N = 200 N

Coefficient of friction,

straight mu

= 0.3
So,
Limiting friction, F_l =

μN space equals space 0.3 space cross times space 200 space equals space 60 space straight N

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