Two blocks are connected with a flexible cable that passes over a frictionless pulley as shown in Fig weight of block A is 25 lb, and the coefficient of friction is 0.20 for both inclined surfaces. Determine the maximum and minimum weights for block B if the system remains in equilibrium. The B 30 60°
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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.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 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.Two blocks are connected by a solid strut attached to each block with coefficient of friction 0.30 under each block. if block B weighs 300N, determine the following.5) The force in the strut.6) The minimum weight of object A to prevent motion.Pls answer asap. Badly need it. Three identical blocks are placed on top of each other on a horizontal plane. Each block has a weight of 110 lb and the coefficient of friction between all surfaces is 0.25. If the upper most block is prevented from moving by a horizontal cable to a vertical wall, find the horizontal force that must be applied at the middle block without causing motion to impend.
- In the system shown, determine the value of the force Fif the coefficient of friction between the body and floor is 0.41. P=102.309NTwo block A and B are connected by a rope which wraps areound a peg with static coefficient of friction of 0.2. The block B weight 50-lb and is subjected to a 35-Ib force as shown. The static coefficient of friction for the contact surface between the block and the gound is 0.4. Find the range of weight of block B for no motion( Hint: no motions no sliding and no tipping).A 15° wedge is forced under a 50-kg pipe as shown. The coefficient of static friction at all surfaces is 0.20. (a) Show that slipping will occur between the pipe and the vertical wall. (b) Determine the force P required to move the wedge.
- A load G1 is placed on the horizontal plane. A rope is attached to it, which is passed over a stationary pulley, and a load of weight G2 is attached to the other end of the rope. Determine the equilibrium position of the load G1 (length x) if the height x and the coefficient of friction µ are known.Note: The answer is x=h\tan alpha i want to understdan how this problem is fixed.If P = 200 N, determine the friction developed between the 50-kg crate and the ground. The coefficient of static friction between the crate and the ground is ??=0.3.The 150 lb block rests on an inclined surfacevand is attached to a frictionless pulley C. The coefficient of static friction between the block and the incline is 0.25. The dope passes over a drum D, where the coefficient of static friction between the rope and the drum is 0.2, as shown. Find the minimum and maximum values for the weight of block B, Wb, for which no motion will occur. Neglect tipping.