suppose that the block were made to move up the inclined plane with the uniform speede by suspending masses on a string over th epulley. derive an equation for the coefficient of kinetic friction for this case in terms of suspended masses, th emass of the block, and he angle of decline

suppose that the block were made to move up the inclined plane with the uniform speede by suspending masses on a string over th epulley. derive an equation for the coefficient of kinetic friction for this case in terms of suspended masses, th emass of the block, and he angle of decline

Name: suppose that the block were made to move up the inclined plane with th
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Description: suppose that the block were made to move up the inclined plane with the uniform speede by suspending masses on a string over th epulley. derive an equation for the coefficient of kinetic friction for this case in terms of suspended masses, th emass o

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section5.3: Forces In Two Dimensions

Problem 39PP

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Calculate the maximum acceleration of a car that is heading down a 6.00slope (one that makes an angle of 6.00with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and that the coefficient of static friction is involved—hat Is, the tires are not allowed to slip during the deceleration. (Ignore rolling.) Calculate for a car (a) On dry concrete. (b) On wet concrete. (c) On ice, assuming that s=0.100 , the same as for shoes on ice.
Two blocks connected by a string are pulled across a horizontal surface by a force applied to one of the blocks, as shown below. The coefficient of kinetic friction between the blocks and the surface is 0.25. If each block has an acceleration of 2.0m/s2to the right, what is the magnitude Fof the applied force?
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As shown below, the coefficient of kinetic friction between the surface and the larger block is 0.20, and the coefficient of kinetic friction between the surface and the smaller block is 0.30. lf F=10Nand M=1.0kg , what is the tension in the connecting string?
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Check Your Understanding Determine a general formula in terms of and for calculating the tension in the string for the Atwood machine shown above.
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Show that the acceleration of any object down an incline where friction behaves simply (that Is, where fk=kN ) is a=(sinkcos) . Note that the acceleration Is independent of mass and reduces to the expression found in the previous problem when friction becomes negligibly small (k=0) .
If an object is to rest o an incline without slipping, then friction must equal the component of the weight of the object parallel to the incline. This requires greater and greater friction for steeper slopes. Show that the maximum angle of an incline above the horizontal for which an object will not slide down is =tan1s . You may use the result of the previous problem. Assume that a=0and that static friction has reached its maximum value.
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As shown below, if M=5.50kg , what is the tension in string 1?