F4-16. If the coefficient of static friction at contact points A and B is u, = 0.3, determine the maximum force Pthat can be applied without causing the 100-kg spool to move. 0,6m 09m B.
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Q: 8-26. The refrigerator has a weight of 180 lb and rests on a tile floor for which us = 0.25. If the…
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Q: F4-18. Determine the minimum coefficient of static friction between the uniform 50-kg spool and the…
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Q: F4-20. If the coefficient of static friction at all contacting surfaces is , determine the…
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Q: Determine the distance to which the 90-kg painter can climb without causing the 4-m ladder to slip…
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Q: F4-14. Determine the minimum force P to prevent the 30-kg rod AB from sliding. The contact surface…
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Q: Q3/ If the coefficients of friction between brake arm and cylinder Cis 0.3 and between cylinder C…
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Q: The uniform crate has a mass of 40 kg. If a force P = 71N is applied on to the crate, determine if…
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Q: Q6-Determine the maximum force P that can be applied without causing movement of the 90-kg crate…
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Q: If the cocfficient of static friction at C is µ, = 0.3, determine the largest force F that can be…
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Q: F8-4. If the coefficient of static friction at contact points A and B is u, = 0.3, determine the…
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Q: 8-26. The refrigerator has a weight of 180 lb and rests on a tile floor for which us = 0.25. If the…
A: Consider the free body diagram of man and refrigerator, By using the equation of equilibrium,
Q: The 180-lb man climbs up the ladder and stops at the position shown after he senses that the ladder…
A: Consider the free body diagram shown below for the ladder. From the vertical equilibrium of forces,
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Q: The ladder AB Support at smooth surface at A and at rough surface at B, if the coefficient of…
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Q: *4-60. The drum has a weight of 500 N and rests on the floor for which the coefficient of static…
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Q: 4-47. The Y0-kg man climbs up the ladder and stops at the position shown after he senses that the…
A: The weight of the man is 90g = 90(9.8) = 883 N
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Q: F4-15. Determine the maximum force P that can be applied without causing the two 50-kg crates to…
A: Apply the conditions of equilibrium For Block A ∑Fy=0W-NA=0NA=50(9.8)=490.5N∑Fx=0 T-fA=0…
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A: Note: According our guidelines i solved only one question so you upload second question again. Given…
Q: F4-15. Determine the maximum force P that can be applied without causing the two 50-kg crates to…
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Q: The ladder AB Support at smooth surface at A and at rough surface at B, if the coefficient of…
A: Friction between ladder and B = 0.25 W = 100 N
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Q: F4-19. Blocks A, B, and C have weights of 50 N, 25 N, and 15 N, respectively. Determine the smallest…
A: Given Data μAB=0.3μBC=0.4μCD=0.35 Weight of block A=50N Weight of block B =25N Weight of block C…
Q: 4-44. The tongs are used to lift the 150-kg crate, whose center of mass is at G. Determine the least…
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Q: The three stone blocks have weights of WA = 600 lb, WB = 150 lb, and WC = 500 lb. Determine…
A: Given data WA=600 lbWB=150 lbWC=500 lbμs=0.3μ's=0.5
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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.The square-threaded screw 0f the C-clamp has a mean diameter of 8 mm and a pitch of 1.6 mm. The coefficient of static friction between the threads is 0.2. If the torque C=1.50Nm is used to tighten the clamp, determine (a) the clamping force; and (b) the torque required to loosen the clamp.The single-threaded screw of the floor jack has a pitch of 0.5 in. and a mean radius of 1.75 in. The angle of static friction is 8.5. (a) Determine the couple C that must be applied to the screw to start lifting a weight of 4000 lb. (b) What is the couple required to start lowering the weight?
- The screw of the clamp has a square thread of pitch 0.16 in. and a mean diameter of 0.6 in. The coefficient of static friction between the threads is 0.4. Determine (a) the torque C0 that must be applied to the screw in order to produce a 28-lb clamping force at A; and (b) the torque required to loosen the clamp.The 600-lb cable spool is placed on a frictionless spindle that has been driven into the ground. If the force required to start the spool rotating is F = 160 lb, determine the coefficient of friction between the ground and the spool. Neglect the diameter of the spindle compared to the diameter of the spool.The single-plate clutch transmits the torque C from the input shaft on the left to the output shaft on the right. Compression springs between the clutch housing and the pressure plate provide the necessary pressure on the friction surface. The splines prevent the clutch plate from rotating relative to the output shaft. If Ri=4 in. and R0=9 in., determine the total force that must be applied to the pressure plate by the springs if the clutch is to transmit a torque of C=56lbft when it is new.
- The two homogeneous bars AB and BC are connected with a pin at B and placed between rough vertical walls. If the coefficient of static friction between each bar and the wall is 0.25, determine the largest angle 6 for which the assembly will remain at rest.The drum has a weight of 100 lb and rests on the floor for wich the coefficient of static friction is Ms = 0.5 If a = 3 ft and b = 4 ft, determine the smallest magnitude od the force P that will cause impending motion of the drum.Determine the smallest force P that must be applied in order to cause the 150 lb uniform crate to move. The coefficient of static friction between the crate and the floor is us=0.5.
- The two 200N blocks are pushed apart by the 15⁰ wedge of negligible weight. The angle of static friction is 12⁰ at all contacts surfaces. Determine the force P required to start the blocks moving.The 50-Ib cylinder is attached to a cord which passes over the drum. If the coefficient of static friction at the drum is Ms = 0.3, determine the maximum vertical force P that can be applied to the roller when 0 = 30° without causing the cylinder to move.Q5/ If a Moment of M 300 N. m is applied to the flywheel, determine the force that must be developed in the hydraulic cylinder CD to prevent the flywheel from rotating. The coefficient of static friction between the friction pad at B and the flywheel is 0.4. 8/12 Hib 0.6 m 1 m 30° B 60 mm M= 300 N-m 0.3 m