10 m 7777 90 kg 31 M0.3 16m 40° 40° The coefficient of static friction between the Ms=0.6 ground and the uniform 90 kg crate shown is 0.3. P A force P is applied to a cable that is attached to the crate at A and passes over a drum as shown. The coefficient of static friction between the cable and the peg is 0.6. A. Determine the minimum cable force P that must be applied as shown to produce motion of any type. B. State the type of motion that impends. Draw complete free body diagrams. Write complete equilibrium equations.

10 m 7777 90 kg 31 M0.3 16m 40° 40° The coefficient of static friction between the Ms=0.6 ground and the uniform 90 kg crate shown is 0.3. P A force P is applied to a cable that is attached to the crate at A and passes over a drum as shown. The coefficient of static friction between the cable and the peg is 0.6. A. Determine the minimum cable force P that must be applied as shown to produce motion of any type. B. State the type of motion that impends. Draw complete free body diagrams. Write complete equilibrium equations.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.63P: The leather rein used to fasten the horse to the hitching rail weighs 3.5 oz per foot. The...

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The leather rein used to fasten the horse to the hitching rail weighs 3.5 oz per foot. The coefficient of static friction between the rail and the rein is 0.6. If a 34-lb force acting on the bridle is sufficient to restrain the horse, determine the smallest safe length L for the free end of the rein.
A wedge is used to prop up the 6000-lb block of marble. The wedge angle is =30, and the angle of static friction is s=12 between all contact surfaces. Determine the smallest force P that would prevent the wedge from sliding out.
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A 20 kg block is held in place on an incline plane as shown by a rope that passesover a frictionless pulley at B and then over a fixed cylinder at C where thecoefficient between the rope and the fixed cylinder is 0.2. Given an angle ofincline, A = 25°, if a force of P = 200 V is applied to the end of the rope,(a) Will the block move if the coefficient of static friction between the block and theinclined surface is M, = 0.56?(b)If impending motion exists, will the block tip or slip?
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