Question

atm-sqzd-spr
EXAMPLE 62. A box of mass 4 kg rests upon an inclined
plane. The inclination of the plane to the horizontal i
gradually increased. It is found that when the slope of the
plane is 1 in 3, the box starts sliding down the plane. Giver
8=9.8 ms - 2
(1) Find the coefficient of friction between the box an
the plane.
(ii) What force applied to the box parallel to the plan
will just make it move up the plane ?​

Answer 1

Answer:

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