Problem_Sheet_6 - GE 208K Chapter 6 Problem Sheet 6 1 A...

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GE 208K: Chapter 6 Problem Sheet 6 1. A 25.0 kg block is initially at rest on a horizontal surface. A horizontal force of 75.0 N is required to set the block in motion. After it is in motion, a horizontal force of 60.0 N is required to keep the block moving with constant speed. Find the coefficients of static and kinetic friction. 2. Two blocks of mass 12.0 kg and 18.0 kg are connected by a rope of negligible mass. They are dragged by a horizontal force F of 68.0 N. The coefficient of kinetic friction between each block and the surface is 0.100. Determine the tension T and the magnitude of the acceleration of the system. 3. A block weighing 75.0N rests on a plane inclined at 25 ° to the horizontal. A force F is applied to the object at 40.0 ° to the horizontal, pushing it upward on the plane. The coefficient of static and kinetic friction between the block and the plane are respectively, 0.363 and 0.156. a.
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This note was uploaded on 03/22/2010 for the course PHYS 303k taught by Professor Tsoi during the Spring '10 term at University of Texas-Tyler.

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Problem_Sheet_6 - GE 208K Chapter 6 Problem Sheet 6 1 A...

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