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Question

A block of mass 0.2 kg is held against a vertical wall by applying a horizontal force of 10 N (normal to wall) on the block. If the coefficient of friction between the block and the wall is 0.6, the magnitude of the frictional force acting on the block is (g = 10 m/s2)

0.2 kg द्रव्यमान के एक गुटके पर 10 N का क्षैतिज बल (दीवार के लम्बवत्) आरोपित कर इसे ऊर्ध्वाधर दीवार पर रखा जाता है। यदि गुटके तथा दीवार के मध्य घर्षण गुणांक 0.6 है, तब गुटके पर क्रियाशील घर्षण बल का परिमाण है

A
6 N
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B
4 N
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C
5 N
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D
2 N
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Solution

The correct option is D 2 N
Solution

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