Blocks A and B are connected by a cable as shown in the figure below. Block A weighs 3.5 kg, while block B weighs 2.75 kg. A force P = 40.22 N pulls block A through a rope causing it to accelerate at a rate of 2.5 m/s? to the left. The coefficient of friction between block A and the flat surface is 0.30. (a) What is the tension on the cable that connects the two blocks? (Ans: 21.17 N) (b) What is the coefficient of friction between block B and the flat surface? (Ans: 0.53)

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A: Page 1

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A: Given: The object is at rest. The tension T1 = 41 N and θ=41°.

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Q: 270 N 50°7 B 400 N 30 D 30

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A: mass = m = 12 kg =  140 35 0

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Q: net force on the stone

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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: