In the figure shown, the minimum force F (in N ) to be applied perpendicular to the incline so that the block does not slide is $800/ n$ . Find n .

Question

In the figure shown, the minimum force F (in N ) to be applied perpendicular to the incline so that the block does not slide is 800/ n . Find n .

TestHub · Accepted Answer

m g sin 3 7 ∘ = 100 × 0.6 = 60 N = m g cos 3 7 ∘ + F = 80 + F For no slip: μ N = m g sin 3 7 ∘ ⇒ 0.5 ( 80 + F ) = 60 ⇒ F = 200 F = n 800 ​ ⇒ n = 4

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