A uniform horizontal beam with a length of 1 = 10.00m and a weight of W, = 300N is attached to a wall by a pin connection. Its far end is supported by a cable that makes an angle of = 53.0° with the beam. A person of weight Wp = 800N stands a distance d = 2.00m from the wall. What is the tension in the cable?
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- A 8 000-N shark is supported by a rope attached to a 5.00-m rod that can pivot at the base. 20.0° 60.0° (a) Calculate the tension in the cable between the rod and the wall, assuming the cable is holding the system in the position shown in the figure. (Give you answer to three significant digits.) N (b) Find the horizontal force exerted on the base of the rod. magnitude direction to the right N (c) Find the vertical force exerted on the base of the rod. Ignore the weight of the rod. magnitude direction upwards Nd Ꮎ 2. A uniform ladder of mass 25.0 kg and length 10.0 m leans against a frictionless wall at an angle = 65.00 with respect to the ground as shown. The coefficient of static friction between the ladder and the ground is 0.350. What maximum distance (d) can an 75.0 kg worker climb the ladder without it slipping? O 5.00 m O 9.97 m O 10.0 m 8.34 mA non-uniform beam has a length of 4.74 m and a mass of 63.7 kg. The beam is resting horizontally on two supports. The first support is located 1.31 m from the left edge of the beam and applies an upward force of 199 N to the beam. The second support is located 1.86 m to the right of the first support. How much upward force is applied on the beam by the second support?
- A uniform L = 6.71 m long horizontal beam that weighs WB= 363N is attached to a wall by a pin connection that allows the beam to rotate. Its far end is supported by a cablewith tension Tthat makes an angle of 50.0° with the horizontal, and a person of weight WP= 427.5N is standing d = 2.38m from the pin. Find the magnitude of the force R exertedon the beam by the wall if the beam is in equilibrium. A)532N B)534N C)536N D)538NA person is standing on a section of uniform scaffolding as shown in the figure. The section of scaffolding is L = 1.50 m in length, has a mg = 22.0 kg mass and is supported by three ropes as shown. Determine the magnitude of the tension in each rope when a person with a weight of Wp = 580 N is a distance d = 0.700 m from the left end. magnitude of T1 magnitude of T2 magnitude of T3 40.0° 0.700 m 1.50 mConsider a rigid steel beam of length L = 14 m and mass mb = 405 kg resting on two supports, one at each end. A worker of mass mw = 68 kg sits on the beam at a distance x from support A. Refer to the figure, though note that it is not drawn to scale. a. When the worker sits at a distance x = 7.5 m from support A, calculate the force, in newtons, that support B must exert on the beam in order for it to remain at rest. Use g with three significant figures. b. The force exerted on the beam by support A is measured and found to be FA = 2240 N. At what distance x, in meters, from support A is the worker sitting now?
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