Physics, asked by ShakthiSoorya, 8 hours ago

Choose the correct option if surfaces are rough
a)Direction of frictional force on block is vertically downward
b)Direction of frictional force on wall is vertically downward
c)It is required to know whether block is sliding or not
d)Cannot be predicted without knowing the value of mass of block and force acting

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Answered by rvss9316

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Answer:

a)direction of force acting is vertically downward

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