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A worker drags a 150-lb crate across a floor by pulling on a rope inclined 17" above the horizontal. The coefficient of static friction is 0.52 and the coefficient of kinetic friction is 0.35. (a) What tension in the rope is required to start the crate moving? (b) What is the initial acceleration of the crate?

A worker drags a 150-lb crate across a floor by pulling on a rope inclined 17" above the horizontal. The coefficient of static friction is 0.52 and the coefficient of kinetic friction is
0.35. (a) What tension in the rope is required to start the crate moving? (b) What is the initial acceleration of the crate?
 

Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
6 years ago
232-1908_1.PNG
Round off to two significant figures,
T = 99 lb
Therefore, the tension in the rope is 99 lb .
232-1308_1.PNG

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