The 200-kg crate rests on the ground for which the
Chapter 15, Problem 15-9(choose chapter or problem)
The 200-kg crate rests on the ground for which the coefficients of static and kinetic friction are s = 0.5 and k = 0.4, respectively. The winch delivers a horizontal towing force T to its cable at A which varies as shown in the graph. Determine the speed of the crate when t = 4 s. Originally the tension in the cable is zero. Hint: First determine the force needed to begin moving the crate.
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