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Question

A block of mass m = 5 kg is placed on a rough horizontal table with coefficient of friction μ = 0.2, as shown in the figure. A pushing force F of magnitude 20 N acts on the block. The acceleration of the block is (g = 10 m/s2)

m = 5 kg द्रव्यमान के एक गुटके को चित्र में दर्शाए अनुसार μ = 0.2 घर्षण गुणांक वाली खुरदरी क्षैतिज मेज पर रखा जाता है। गुटके पर 20 N परिमाण का अपकर्षण बल F क्रियाशील है। गुटके का त्वरण है (g = 10 m/s2)


A
0.72 m/s2
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B
0.50 m/s2
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C
0.12 m/s2
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D
0.98 m/s2
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Solution

The correct option is A 0.72 m/s2
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