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A boy of mass M is applying a horizontal force to slide a box of mass M' on a rough horizontal surface. It is known that the boy does not slide. the coefficient of friction between the shoes of the boy and the floor is μ and μ' between the box and the surface . in which the following cases it is certainly not possible to slide the box? a) μ ∠ μ' M∠ M' b) μ'∠ μ M ∠ M' c) μ ∠μ ' M' ∠M d) μ' ∠μ M '∠ M

A boy of mass M is applying a horizontal force                       to slide a box of mass M'  on a rough horizontal surface. It is known that the boy does not slide. the coefficient of friction between the shoes of the boy and the floor is μ and μ' between the box and the surface . in which the following cases it is  certainly not possible to slide the box?
 a)  μ ∠ μ'  M∠ M' 
 b)  μ'∠ μ   M ∠ M'
 c)  μ ∠μ '  M' ∠M
 d)  μ' ∠μ   M '∠ M

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1 Answers

Arun
25750 Points
5 years ago
Dear student
 
The coefficient of friction between the shoes of the boy and the floor is mu and that between the box and the floor is mu` . When mu  RegardsArun (askIITians forum expert)

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