The winch on the truck is used to hoist the garbage bin onto the bed of the truck. If the loaded bin has a weight of 7500 lb and center of gravity at G, determine the force in the cable needed to begin the lift. The coefficients of static friction at A and B are μA = 0.32 and μB = 0.28, respectively. Neglect the height of the support at A.

The 553-N force is applied to the 96-kg block, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the block. The force is positive if to the right, negative if to the left. H = 0.71 = 0.51 Answer: F = i 35° N P = = 553 N

A cable is attached to the structure at E, passes around the 0.1-m diameter, frictionless pulley at A, and then is attached to a 1000-N weight W. Determine the magnitudes of the horizontal and vertical components of force pin at F. Assume the wall at G is smooth. MUST DRAW ALL THE FREE-BODY DIAGRAMS. W 1 m. B m Im

Determine the maximum value of weight W which may be applied without causing the 50-lb block to slip. The coefficient of static friction between the block and the plane is µ, = 0.2, and between the rope and the drum D µ; = 0.3. D W 1 Add file

The fork lift has a weight of 2,400 lb and a center of gravity at G. If the rear wheels are powered, whereas the front wheels are free to roll, determine the maximum number of 300-lb crates the fork lift can push forward. The coefficient of static friction between the wheels and the ground is μw = 0.4 and between the each crate and the ground μc = 0.35. 2.5 ft 1.25 ft -3.50 ft- XIXIX

Determine the magnitude and direction of the friction force which the vertical wall exerts on the 100-lb block if (a) 0=15° and (b) 0=30° 100 lb P= 120 lb SH,=0.50 H = 0.40 COLL E

The 75-lb boy stands on the beam and pulls on the cord with a force large enough to just cause him to slip. If the coefficient of static friction between his shoes and the beam is (μs)D = 0.35, determine the following reactions if the beam is uniform and has a weight of 120 lb. Neglect the size of the pulleys and the thickness of the beam. 1 The magnitude of the vertical component reaction at A is Blank 1 lb. 2 The magnitude of the horizontal component reaction at B is Blank 2 lb. 3 The magnitude of the vertical component reaction at B is Blank 3 lb.

The 113-lb force P is applied to the 250-lb crate, which is stationary before the force is applied. Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the crate. The friction force is positive if to the right, negative if to the left. Assume μ = 0.41, μ = 0.32. Answer: F= H₂ Hk lb

Determine the force Prequired to force the 12° wedge under the 72-kg uniform crate which rests against the small stop at A. The coefficient of friction for all surfaces is 0.50. 1.8 m 1.1 m 72 kg A 12° P 12° Answer: P = i N

The block weighs 80 pounds. A cable is connected to itsupper left corner and passes over a fixed post. Thecoefficients of friction are μB = 0.3 for the block and theground and μP = 0.2 for the post and the cable. Determinethe minimum force T that will cause the system to move(either tip or slide - you must show which happens first).Take a = 2.5’ and b = 6’.