Q.

If the coefficient of friction between all surfaces is 0.4, then find the minimum force F to have equilibrium of the system. (Take, g = 10 ms-2)

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a

62.5 N

b

150 N

c

135 N

d

50N

answer is A.

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Detailed Solution

2T = 250⇒  T=125 NAlso, T+0.4 F=150⇒  F=62.5 N
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If the coefficient of friction between all surfaces is 0.4, then find the minimum force F to have equilibrium of the system. (Take, g = 10 ms-2)