A 4285N block is held in horizontal position as shown by a wedge at B. If the coefficient of friction between the block & the wedge is 0.25 and that between the wedge & the floor is 0.3, determine the force needed to pull out the wedge.
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A 485N block is held in horizontal position as shown by a wedge at B. If the coefficient of friction between the block & the wedge is 0.25 and that between the wedge & the floor is 0.3, determine the force needed to pull out the wedge.
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- 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?AB rigid made of a smooth materialbar on a frictionless horizontal surface.is standing. A force of 2 N at end A of the rodapplied perpendicular to the length of the bar.Since the weight of the bar is 3 kg, A and BCalculate the accelerations of the points.ourses This course ion 1 The 10-kg pipe is supported at A by a system of five cords. Determine the force in the cable AB for equilibrium: et ered d out of on 60° Select one: O a. T(AB) = 226.56 N O b. T(AB) = 113.28 N O c. T(AB) = 593.83 N O d. None of these cht W nf the block, shown in the following figure, so that the tension developed in an
- (a) Find the tension in each cable supporting the 588-N cat burglar. (Assume the angle θ of the inclined cable is 30.0°.) inclined cable N horizontal cable N vertical cable N (b) Suppose the horizontal cable were reattached higher up on the wall. Would the tension in the inclined cable increase, decrease, or stay the same?A. Find the tension in the cable B. Find the horizontal component of the force exertedC. Find the vertical component of the force exerted on the beam at the wallProblem 2: Determine the force P necessary to start the V-shaped wedge to the right if the coefficient of friction is f= 0.445 at each of the three surfaces of contact. Wg =1000N WA =200N в P- 30° 150