Question

A 20 kg box is pushed up a plane, inclined at 30º to the horizontal with a rope connected to a mass of 30 kg on the other end. Find a) the acceleration of boxes. b) the tension in the rope

Answer 1

Answer:

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Explanation:

Here the required force should be the frictional force.

Thus, F=f=μmg=0.25×20×10=50N