(a) Draw the FBD of A and B when the wedge B impends to slide to the left. Friction is negligible except for the surface under B whose coefficient of friction is 0.20. (b) Determine the magnitude of P to start the wedge B to slide to the left. 30 120 fb P B 80 lb
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Please show all the applied forces CLEARLY in the FBD. Needed in 30 minutes thank you
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- 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 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) Draw the FBD of wedge B and block A when wedge B impends to slide to the right. Friction is negligible except for the contact surfaces between B and the horizontal plane B whose coefficient of friction is 0.20. (b) Determine P to impend the wedge B to slide to the right.
- A 50 kN load is placed on two tires of a locked-wheel trailer. At a speed of 48 km/h, a force of 30 kN is required to move the device. Determine the friction factorBlocks A, B, and C have weights of 50 N, 25 N, and 15 N, respectively. Determine the smallest horizontal force P that will cause impending motion. The coefficient of static friction between A and B is μs = 0.3, between B and C,μ's = 0.4, and between block C and the ground, μ"s = 0.35.Question 4 g [ Blocks A and B have a mass of 100 kg and 150 kg, respectively. If the coefficient of static friction between A and B and between B and € is u, = 0.25, and between the ropes and the pegs D and E ! = 0.5, determine the smallest force F needed to cause motion of block B if P =30N. v A
- In the system shown, determine the value of the force Fif the coefficient of friction between the body and floor is 0.41. P=102.309NSix 5 N blocks are stacked vertically. The coefficient of static friction between the blocks is µs = 0.20. Determine the horizontal force that must be applied to the fifth block from the top of the stack, in order to slide it out without moving the other blocks.Three packages each of weight m = 9 kg A, B, and C are placed on a conveyor belt that is at rest. Between the belt and both packages A and C, the coefficients of friction are Ms = 0.30 and Mk = 0.20; between package B and the belt, the coefficients are Ms = 0.10 and Mk = 0.08. The packages are placed on the belt so that they are in contact with each other and at rest. Determine which, if any, of the packages will move and the friction force acting on each package. The frictional force acting on A is N The frictional force acting on B is N The frictional force acting on C is N Note: please show correct step by step working out. And double check final answers. Also for frictional force A, B & C show their directions as well. Thanks!
- A cable is placed around three parallel pipes. Two of the pipes are fixed and do not rotate; the third pipe is slowly rotated. Knowing that the coefficients of friction are μs= 0.25 and μk= 0.20, determine the largest weight W that can be raised (a) if only pipe A is rotated counterclockwise, (b) if only pipe C is rotated clockwise.Knowing that the coffiesient of static friction between all the surfaces is 0.3 find the value of the force p required to initiate motion of the 200 N block if: 1. The force p is applied to the left 2. The force p is applied to the rightDetermine the maximum and minimum values of weight "W" that the block on the left can have without the 100-N block on the right side slipping. The coefficients of static friction between the block and the inclined plane, and between the rope and the drum D are: mu_1 = 0.2 and mu_2 = 0.3, respectively. By what percentage would the maximum value of W vary if both coefficients of friction doubled?