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Newton's laws of motion

Question

Blocks A and B of masses 2kg and 1 kg respectively are pushed up a frictionless slope by a 21 N force applied parallel to the slope as shown in the figure. Find the magnitude (in newtons) of the force of normal reaction between A and B. g=10m/s2

Moderate
Solution

a=211262+1=1m/s2

 For block B:N6=1N=7N



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