Show your work wherever possible. Record all answers with THREE DIGITS. O PROBLEMS 1 Block 1 with mass, mı = 45kg, is attached to the wall with mị a cable. A 425N force pulls on block 2 with mass, m2 = 25kg. a. Calculate the normal force of block 2 acting on block m2 1. b. Calculate the normal force of the ground acting on block 2. c. Calculate the magnitude of the acceleration of block 2 assuming that there is no friction anywhere. d. Calculate the magnitude of the acceleration of block 2 assuming that there is no friction between block 1 and block 2, but the coefficient of friction between the ground and block 2 is 0.30.

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!