A block is moving on an inclined plane making an angle 45° with the horizontal and the coefficient of friction is µ. The force required to just push it up the inclined plane is 3 times the force required to just prevent it from sliding down. If we define k = 10 µ, then value of k is
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(5)
F 1 = 
F 2 = 
F 1 = 3F 2
1 + μ = 3 – 3 μ
4 μ = 2
μ = 
k = 10 μ
k = 5 Ans.
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