Question

A mass m rests on a horizontal surface. The coefficient of friction between the mass and the surface is μ .If the mass is pulled by a force F. The limiting friction between mass and the surface will be​

Answer 1

Explanation:

force acting vertically upwards is Fsin600=F23

as  the mass is in rest in vertical direction 

mg=F23+N

limiting friction=μN=μ(mg−F23)

Answer 2

Answer:

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