If a block is placed on a plane inclined with the


Question: Solve the given problems.

If a block is placed on a plane inclined with the horizontal at an angle θ such that the block stays at the same position, the coefficient of friction µ is given by µ= tan θ Use differentials to find the change in µ if θ changes from 18° to 20°.

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Mathematics: If a block is placed on a plane inclined with the
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