Chapter 12, Problem 065 In the figure, a uniform beam with a weight of 55.7 N and a length of 3.31 m is hinged at its lower end, and a horizontal force F of magnitude 46.7 N acts at its upper end. The beam is held vertical by a cable that makes angle e = 30.0° with the ground and is attached to the beam at height h = 2.42 m. What are (a) the tension in the cable, (b) the x-component of the force on the beam from the hinge, and (c) the y-component of the force on the beam from the hinge. L. (a) Number Units (b) Number Units (c) Number Units Click if you would like to Show Work for this question: Open Show Work
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- A 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 mThe figure below shows a beam of uniform density with a mass of 33.0 kg and a length l = 4.45 m. It is suspended from a cord at a distance d = 1.20 m from its left end, while its right end is supported by a vertical column. (a) What is the tension (in N) in the cord? N (b) What is the magnitude of the force (in N) that the column exerts on the right end of the beam? N Need Help? Read ItChapter 12, Problem 034 In the figure, a thin horizontal bar AB of negligible weight and length L = 3.1 m is hinged to a vertical wall at A and supported at B by a thin wire BC that makes an angle e = 42° with the horizontal. A block of weight W = 250 N can be moved anywhere along the bar; its position is defined by the distance x = 1.75 m from the wall to its center of mass. Find (a) the tension in the wire, and the (b) horizontal and (c) vertical components of the force on the bar from the hinge at A. Com A B (a) Number Units (b) Number Units (c) Number Units Click if you would like to Show Work for this question: Open Show Work
- A 12.0 kg monkey climbs up a 135 N uniform ladder of length L leaning against the wall at an angle of 25°. The upper end of the ladder has a coefficient of friction of 0.25 and lower end of the ladder rests on a frictionless surface, but the lower end is attached to the wall by a horizontal rope that can support a maximum tension of 120 N. (a) Find the tension in the rope when the monkey is one third of the way up the ladder. (b) Find the maximum distance d (expressed as a fraction of L) that the monkey can climb up the ladder before the rope breaks.A 740 N bear is standing on a metal plank supported by the cable shown in the figure. At the end of the plank hangs a basket weighing 80 N. Assume the plank is uniform, weighs 200 N, is 5.50 m long, and 0 = 60.0°. Goodies (a) When the bear is at x = 1.10 m, find the tension in the cable supporting the plank and the components of the force exerted by the wall on the left end of the plank. (Enter the magnitudes of your answers in N.) T = F = F = N N N (b) If the cable can withstand a maximum tension of 875 N, what is the maximum distance (in m) the bear can walk before the cable breaks? (Measure this distance from the wall.) mThe diagram shows a uniform 30 cm strut weighing 5 N supporting a 10 N weight 10 cm from the pivot. Find the tension in the cable attached to the wall. 10 cm 10 N 30°
- A 7-m long beam of negligible mass is hanged horizontally and is supported at each end by vertical cables. The tension in the left cable is 300 N, and that in the right cable is 400 N. How far is the person sitting from the left cable?A scaffold of mass 67 kg and length 5.0 m is supported in a horizontal position by a vertical cable at each end. A window washer of mass 67 kg stands at a point 1.7 m from one end. What is the tension in (a) the nearer (relative to the person) cable and (b) the farther (relative to the person) cable?Chapter 12, Problem 028 GO In the figure, suppose the length L of the uniform bar is 2.7 m and its weight is 220 N. Also, let the block's weight W = 280 N and the angle 0 = 27°. The wire can withstand a maximum tension of 440 N. (a) What is the maximum possible distance x before the wire breaks? With the block placed at this maximum x, what are the (b) horizontal and (c) vertical components of the force on the bar from the hinge at A? com A (a) Number Units (b) Number Units (c) Number Units Click if you would like to Show Work for this question: Open Show Work
- A 400.0-N sign hangs from the end of a uniform strut. The strut is 4.0 m long and weighs 600.0 N. The strut is supported by a hinge at the wall and by a cable whose other end is tied to the wall at a point 3.0 m above the left end of the strut. (a) What is the y component of the tension in the rope? (b) What is the x component of the tension in the rope? (c) What is the magnitude of the tension in the rope? (a) y component of the tension: Ty = (b) x component of the tension: Tx = (c) What is the magnitude of the tension in the rope?The drawing shows a uniform horizontal beam attached to a vertical wall by a frictionless hinge and supported from below at an angle 0 = 40° by a brace that is attached to a pin. The beam has a weight of 340 N. Three additional forces keep the beam in equilibrium. The brace applies a force P, and the hinge applies a force with a horizontal component H and a vertical component V. (a) Draw the free- body diagram showing the forces that act on the beam. Find the magnitudes of the forces (b) P, (c) H, and (d) V. Beam Hinge Pin Ꮎ Brace EA uniform bar with a length of 6.88 meters and a mass of 29 kg is attached to a building by an axis at its left end. A box of mass 38.4 kg sits on the bar at a distance of 2.4 m from the left end. The right end of the bar is supported by a cable with a 477.81 N of tension that is also attached to the building. The angle between the cable and the bar is 34.9°. Determine the Fv, the vertical force on the bar by the wall (in N).