Sarah pushed a box across the floor for 5 yards. She used 15 pounds of force on the box. How much work did she do? How much energy did she use?
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Ответ:
The coefficient of the frictional force on the block is 0.102.
The given parameters;
mass of the block, m = 7 kgforce applied, F = 7 NThe normal force on the block is calculated as follows;
The frictional force on the block is calculated as;
The net horizontal force on the block is calculated as;
Thus, the coefficient of the frictional force on the block is 0.102.
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