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  • What is minimum value of Force P for Motion along the horizontal surface ???

Also, tell its direction with respect to the horizontal axis ???

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best_answer

For the below figure

 For the minimum value of P, its angle from the horizontal should be equal to the angle of friction.

I.e   \alpha=tan^{-1}(\mu)= angle of friction.

And the minimum value of P is given by

P_{min}=\frac{\mu mg}{\sqrt{1+\mu^{2}}}

Posted by

avinash.dongre

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