1. Consider two blocks that are resting on top of each other. The lower block has mass m2 = 4.8 kg and is resting on a frictionless table. The upper block has a mass of m = 2.2 kg. Suppose the coefficient of static friction between the two blocks is given by us 0.50. A force of magnitude Fis applied as shown for which it is the maximum pushing force applied horizontally to the upper block so that the two blocks move together without slipping. 'EERNG F m 1 frictionless Motion m 2 (a) Draw the free body diagram of the two blocks. BEL (b) What is the friction force between the two blocks? (Ans: 10.79 N) (c) What is the acceleration of these two blocks? (Ans: 2.25 m/s?) (d) What is the maximum pushing force, F? (Ans: 15.74 N)

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