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Mass M, lies on top of mass M, as shown. Assume M, > Ma. The two hlocks are pulled from rest hy a massless rope passing over a pulley. The pulley is accelerated at rate A. Block M, slides on the table without friction, but there is a constant friction force f between M, and M, due to their relative motion. Find the tension in the rope

Mass M, lies on top of mass M, as shown. Assume M, > Ma. The two hlocks are pulled from rest hy a massless rope passing over a pulley. The pulley is accelerated at rate A. Block M, slides on the table without friction, but there is a constant friction force f between M, and M, due to their relative motion. Find the tension in the rope

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Mass Ma lies on top of mass Mb, as shown. Assume Mb > Ma. The two blocks are pulled from rest by a massless rope passing over a pulley. The pulley is accelerated at rate A. Block Mb slides on the table without friction, but there is a constant friction force f between Ma and Mb due to their relative motion. Find the tension in the rope.
19:07 3G H.W.gravity.pdf → 110 FORCES AND EQUATIONS OF MOTION However, the integral is simply the total mass of the sphere, and we find that for r> R, the force between m and the sphere is identical to the force between two particles m and M separated a distance r. Problems For problems marked refer to page 520 for a hint, clue, or answer. 3.1 Leaning pole with friction Two identical masses M are pivoted at each end of a massless pole of length L. The pole is held leaning against frictionless surfaces at angle 6, as shown, and then released. Find the initial acceleration of cach mass. 3.2 Sliding blocks with friction Mass MA = 4kg rests on top of mass Ma = 5 kg that rests on a frie- tionless table. The coefficient of friction between the two blocks is 4 kg 5 kg such that the blocks just start to slip whea the horizontal force F applied to the lower block is 27 N. Suppose that now a borizontal. force is applied to the upper block. What is its maximum value for the blocks to slide without slipping relative to each other? 3.3 Stacked blocks and pulley Mass M. lies on top of mass M, as shown. Assume M, > Ma. The two blocks are pulled from rest hy a massless rope passing over a pulley. The pulley is accelerated at rate A. Block M, slides on the table without friction, but there is a constant friction force f between M, and M, due to their relative motion. Find the tension in the rope. CA 3.4 SynchronoAS orbir Find the radius of the orbit of a synchronous satellite that circles the Earth. (A synchronous satellite goes around the Earth once ev- ery 24 h, so that its position appears stationary with respect to a ground station.) The simplest way to find the answer and give your results is by expressing all distances in terms of the Earth's radius Re 45 3.5 Mass and axle A mass mis connected to a vertical revolving axle by two strings of length I, cach making an angle of 45" with the axle, as shown. Both the axle and mass are revolving with angular velocity a. Gravity is directed downward. (a) Draw a clear force diagram for m. (b) Find the tension in the upper string, Tup, and lower string, 45
Transcribed Image Text:19:07 3G H.W.gravity.pdf → 110 FORCES AND EQUATIONS OF MOTION However, the integral is simply the total mass of the sphere, and we find that for r> R, the force between m and the sphere is identical to the force between two particles m and M separated a distance r. Problems For problems marked refer to page 520 for a hint, clue, or answer. 3.1 Leaning pole with friction Two identical masses M are pivoted at each end of a massless pole of length L. The pole is held leaning against frictionless surfaces at angle 6, as shown, and then released. Find the initial acceleration of cach mass. 3.2 Sliding blocks with friction Mass MA = 4kg rests on top of mass Ma = 5 kg that rests on a frie- tionless table. The coefficient of friction between the two blocks is 4 kg 5 kg such that the blocks just start to slip whea the horizontal force F applied to the lower block is 27 N. Suppose that now a borizontal. force is applied to the upper block. What is its maximum value for the blocks to slide without slipping relative to each other? 3.3 Stacked blocks and pulley Mass M. lies on top of mass M, as shown. Assume M, > Ma. The two blocks are pulled from rest hy a massless rope passing over a pulley. The pulley is accelerated at rate A. Block M, slides on the table without friction, but there is a constant friction force f between M, and M, due to their relative motion. Find the tension in the rope. CA 3.4 SynchronoAS orbir Find the radius of the orbit of a synchronous satellite that circles the Earth. (A synchronous satellite goes around the Earth once ev- ery 24 h, so that its position appears stationary with respect to a ground station.) The simplest way to find the answer and give your results is by expressing all distances in terms of the Earth's radius Re 45 3.5 Mass and axle A mass mis connected to a vertical revolving axle by two strings of length I, cach making an angle of 45" with the axle, as shown. Both the axle and mass are revolving with angular velocity a. Gravity is directed downward. (a) Draw a clear force diagram for m. (b) Find the tension in the upper string, Tup, and lower string, 45
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