The force required just to move a body up an inclined plane is double the force required just to prevent the body sliding down. If the coefficient of friction is 0.25, the angle of inclination of the plane is
Text Solution
Verified by ExpertsThe correct answer is:
A
Retardation in upward motion 
Force required just to move up 
Similarly, for down ward motion a 
Force required just to prevent the body sliding down
According to problem 
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⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
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