1. A block of mass 5.0 kg rests on a table with = 0.3. A force F applied pushes the block. (a) Calculate the maximum force of static friction. Enter to 2 significant figures fs,max= N (b) If F = 8 N pulls the block, calculate the magnitude of force of friction f. Assume all quantities are correct to 2 significant figures. applied Enter to 2 significant figures fs = N

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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!