Three blocks on a frictionless horizontal surface are in contact with each other, as shown. A force of 24 N is applied to block 1. m1 =1.0 kg, m2 = 2.0 kg, and m3 = 3.0 kg. Use g = 10 m/s2. Match the questions with answers. v Normal Force on block 2 by block 1 A. 24 N, to the left v Normal Force on block 1 by block 2 B. 20 N. to the left v Normal Force on block 3 by block 2 C. 20 N, to the right v Normal Force on block 2 by block 3 D. 12 N, to the right E. 12 N, to the left F. 0 G. 8.0 N, to the right H. 24 N, to the right I. 8.0 N, to the left

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Q: m2 m1

A: Given: m1 = 3 kgm2 = 11 kgforce, F = 28 Nθ = 53°

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A: Solution: given that WA = 20 N WB = 50 N coefficient of friction = 0.4

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: