Q.
What is the maximum value of the force F such that the block shown in the arrangement, does not move
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a
20 N
b
10 N
c
12 N
d
20/3 N
answer is D.
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Detailed Solution
f=μRFcos60°=μ(W+Fsin60°)Substituting μ=143& W=103 We get F=203N
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