17-105. If the coefficient of static friction between the 50-lb roller and the ground is u, = 0.25, determine the maximum force P that can be applied to the handle, so that roller rolls on the ground without slipping. Also, find the angular acceleration of the roller. Assume the roller to be a uniform cylinder. 1.5 ft 30
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- If the coefficient of static friction between the 50-lb roller and the ground is p, = 0.25, determine the maximum force P that can be applicd to the handle, so that roller rolls on the ground without slipping. Also, find the angular acceleration of the roller. Assume the roller to be a uniform cylinder. 15 ft 30If the coefficient of static friction between the 50-lb roller and the ground is u, = 0.25, determine the maximum force P that can be applied to the handle, so that roller rolls on the ground without slipping. Also, find the angular acceleration of the roller. Assume the roller to be a uniform cylinder.The man pushes on the roller with force P through a handle that connects to the central axle of the roller. If the coefficient of static friction between the 43-lb roller and the floor is Hs = 0.21, and the force Pis maximum so that the roller is about to slip, determine the angular acceleration of the roller (in rad/s?). Assume the roller to be a uniform cylinder. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point, and proper unit. Take g = 32.2 ft/s?. 1.5 ft 30°
- The racing car has a mass of 690 kg and a center of mass at G. If there is no slip, determine the value of the minimum coefficient of static friction required between the wheels and the ground for the car to achieve an acceleration of a = 5.6 m. /s². 250 mm ZIRE A GOFF 1625 mm G 1385 mm- GOFAST BThe man pushes on the roller with force P through a handle that connects to the central axle of the roller. If the coefficient of static friction between the 43-lb roller and the floor is ls = 0.12, and the force Pis maximum so that the roller is about to slip, determine the angular acceleration of the roller (in rad/s²). Assume the roller to be a uniform cylinder. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point, and proper unit. Take g = 32.2 ft/s2. 1.5 ft 30° Your Answer: AnswerThe man pushes on the roller with force P through a handle that connects to the central axle of the roller. If the coefficient of static friction between the 69-lb roller and the floor is g = 0.11, and the force Pis maximum so that the roller is about to slip, determine the angular acceleration of the roller (in rad/s²). Assume the roller to be a uniform cylinder. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point, and proper unit. Take g = 32.2 ft/s². P Your Answer: Answer 30° 1.5 ft S
- 02 A small object A is held against the vertical side of the rotating cylinderical container of raidus r due to cntrifugal action. If the coefficient of a static friction between the object and the conteiner is determine the expression for the minimume rotational rate oo of the container which will keep the object from slipping down the vertical side. B ---Determine the greatest angle 0 so that the ladder does not slip when it supports the man (of the mass of m) in the position shown. The coefficient of static friction at A and B is Hs. Ignore the weight of the ladder. Use m = 93 kg, Hs = 0.48, a=2.5m, b=0.25m, g = 9.81 m/s?. b a e to the nearest integer (deg) =The uniform 20-lb ladder rests on the rough floor forwhich the coefficient of static friction is s = 0.45 andagainst the smooth wall at B. Determine the horizontalforce P the man must exert on the ladder in order tocause it to move.
- The smooth cabinet weighing 300 N is on the floor with µs=0.25. Since the man is pushing the cabinet in the θ=30 direction, what must be the smallest magnitude of the force F required for the movement of the cabinet? Also, given that the man weighs 500 N, what must be the smallest coefficient of static friction between his shoes and the ground so that he does not slip?The 20-lb block has friction coefficients of μ = 0.4 and = 0.35, with the inclined surface. Find a. the angle where the 10-lb block begins to slide b. the acceleration of the block at the angle where it first slides c. the acceleration of the block at an angle 10° past the angle in b. If you use cartesian coordinates with x-along the slope, the problem is easier. B AQ11: the man pushes on 60 lb. crate with a force F. The force is always directed down at 30o from the horizontal as shown, and its magnitude increased until the crate begins to slide. Determine the crate's initial acceleration if the static coefficient friction is µs = coefficient friction is uk = 0.3 0.6 and the kinetic %3D 30°