A crate is pulled along a horizontal surface at constant \( \mathrm...

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A crate is pulled along a horizontal surface at constant
\( \mathrm{P} \) velocity by an applied force \( F \) that makes an angle \( \theta \) with the

W horizontal. The coefficient of kinetic friction between the crate and the surface is \( \mu \). Find the angle \( \theta \) such that the applied force is minimum to slide the block. Also find the minimum value of this force.
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