coefficient of static friction between the box and the floor is u=0.65. Neglect the weights of the bars. What is the largest value of the force F that will not cause the box to slip?
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- A 1.5 kg block resting ina rough flat surface is pulled by a string. The string makes an angle of 20 degress with the horizontal. The coefficient of static friction between the blodk and the surface is 0.35. What is the maximum tension in the string to keep the block unmoved?The weight of the box is W = 90 N and the coefficient of static friction between the box and the floor is μ=0.65. Neglect the weights of the bars. What is the largest value of the force F that will not cause the box to slip?A large wrecking ball is held in place by two light steel cables. If the massm of the wrecking ball is 4090 kg, what are (a) the tension TB in the cablethat makes an angle of 40° with the vertical, and (b) the tension TA in thehorizontal cable?
- A block of weight w is suspended from a rope tied to two other ropes at point O. One rope ishorizontally attached to a wall and the other is fastened to the ceiling. The angle betweenceiling and the rope is 60°. What are the tensions in each of the ropes? Assume the weights ofthe ropes and the knots are negligible. If the weight of the block is 100 N, what is the tension inthe ceiling rope?A manual roller of weight mg = 337.5 N is pushed with a force 182.8N at an angle 0, such that sin(e) = 0.4, with the horizontal direction. What is the force exerted by the floor on the box? F cose F sine mgAn inextensible cable of negligible mass is used to drag a log on a roughhorizontal surface. The tension in the cable is 850 N and it acts at an angle of 35°to the horizontal. The log is dragged over a distance of 45m. The frictional forceexperienced by the log is 150 N. Calculate the net force acting on the log.
- A large wrecking ball is held in place by two light steel cables. If the mass m of the wrecking ball is 3620 kg, what are (a) the tension TB in the cable that makes an angle of 40 with the vertical and (b) the tension TA in the horizontal cable?I 00LLJ408 - Go.. Question Info and Solutions Blocks A and B of mass 5 kg and 10 kg respectively are placed on a Smooth inclined plane of Inclination 30, as shown. Block A and B are subjected to forces 5 N And 50 N respectively along the incline, as shown. The coefficient of friction between A andBis 0.50 find the frictional force between A and B in N is: (g= 10 ms SOH 300 Options Solution Fs=Static frictional force umg cos 30 (0.5) (5) (10) cos 30 21.6 N Let a be the acceleration of both the blocks along 5.27 PMThe 6-m pole ABC is acted upon by a 460-N force, P, as shown in the figure. The pole is held by a ball-and-socket joint at A and by two cables BD and BE. For a = 3 m, determine the tension in each cable and the reaction at A. (Round the final answers to one decimal place.) 3. 1.5 m P E The tension in cable BD is The tension in cable BE is The reaction at A is - ( y C B 3 m N. N. N)i + 3 m 3 m 1.5 m 3 m X N)j + N)k.
- Our 10kg mystery box rests on a horizontal floor. The coefficient of static friction is 0.40and the coefficient kinetic friction is 0.30. Determine tge force of friction, acting on the box if a horizontal applied force is exerted on it of magnitude: (d) 38N, and (e) 40N. Use 9.81m/s squared for the gravity while F sub A for the unit of applied forceFind the smallest coefficient of static friction at B 300- and E that would permit the tongs to lift the 40-kg block. Neglect the mass of the tongs. 20 1200 Dimensions in mm 600 40 kg 240Two 100kg blocks are stacked on top of eachother. The coefficient of friction between the bottom block and the ground is 0.350 and the coefficient of static friction between the top block and the bottom block is 0.700. Will a 85kg man be able to push the blocks forward without the top block falling onto him if he applies 300. N to the bottom block?