Question

define Static and kinetic friction a box of 10 Kg is placed on a rough horizontal surface it is pulled by applying hundred Newton force at an angle 30 degree from the horizontal if coefficient of friction between box and surface is 0.1 then calculate acceleration of the box​

Answer 1

Answer:

In horizontal direction, two forces are acting on the block : 100 N force and friction force (f)

f=μN=μmg=0.5×10×10=50N

So, net force acting on the block in horizontal direction = 100 N-50 N = 50 N

acceleration of the block = Net force / mass of block = 50 N/10 kg = 5 ms

−2

Explanation:

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