Questions
A duster weighs 0.5N. It is pressed against a vertical board with a horizontal force of 11N. If the co-efficient of friction is 0.5 the minimum force that must be applied on the duster parallel to the board to move it upwards is
detailed solution
Correct option is C
Fup=f+mg,f=μN,N=FTalk to our academic expert!
Similar Questions
A person just holds a block weighing 2kg between his hands & just keeps it from falling down by pressing it with his hands. If the force exerted by each hand horizontally is 50N, the coefficient of friction between the hand & the block is
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