2. The 55-kg crate shown in the figure rests on a horizontal surface for which the coefficient of kinetic friction is uk= 0.55-0.09t where tis the time in seconds. If the crate is subjected to a constant 500-N towing force as shown, determine the velocity in m/s and the acceleration in m/s? of the crate in 3s starting from rest. Hint: integrate. 500 N 25°
2. The 55-kg crate shown in the figure rests on a horizontal surface for which the coefficient of kinetic friction is uk= 0.55-0.09t where tis the time in seconds. If the crate is subjected to a constant 500-N towing force as shown, determine the velocity in m/s and the acceleration in m/s? of the crate in 3s starting from rest. Hint: integrate. 500 N 25°
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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