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16-11-2022
Physics

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A block of wood weighing 4N is placed on a horizontal table. It is then pulled by means of a spring balance attached to one of its ends. The block just begins to move when the spring balance records a horizontal force of 2.5N. I. what is the coefficient of static friction? ii. what is the frictional force when a horizontal force of 2.0 N is recorded by the spring balance

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