A block of wood of mass 5 kg rests on a horizontal surface. If a horizontal force of 20 N is applied to the block and the block is still at rest, calculate the following: (a) the friction force between the surface and the block. (b) the normal force on the block. (C) the coefficient of static friction.

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Chapter4: The Laws Of Motion
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A block of wood of mass 5 kg rests on a horizontal surface. If a horizontal force of 20N is applied to the block and the block is still at rest, calculate the following:
(a) the friction force between the surface and the block.
(b) the normal force on the block.
(C) the coefficient of static friction.
Transcribed Image Text:A block of wood of mass 5 kg rests on a horizontal surface. If a horizontal force of 20N is applied to the block and the block is still at rest, calculate the following: (a) the friction force between the surface and the block. (b) the normal force on the block. (C) the coefficient of static friction.
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