80.0 kg They are connected by strings that pass over massless and friction10.0 free pulleys. The obkg 25.0 jects move, and the cokg efficient of kinetic friction between the middle object and the surface of the table is 0.100. (a) What is the acceleration of the three objects? (b) Find the tension in each of the two strings. ** 110. The basic concepts in this problem are presented in MultipleConcept Example 9. A 225-kg crate rests on a surface that is inclined above the horizontal at an angle of 20.0. A horizontal force (magnitude 535 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the coefficient of static friction between the crate and the incline?
Efficient of kinetic friction
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