a uniform bar of weight 40N is 4 meter long. weights on 60N and 100N are...
a uniform bar of weight 40N is 4 meter long. weights on 60N and 100N are placed on the bar at points which are 1.5 meter and 3 meter respectively from the left end. At what point on the bar must a single force be applied to support it in a horizontal position?
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a uniform bar of weight 40N is 4 meter long. weights
on 60N and 100N are...
1. A uniform horizontal bar of length L = 2.0 m and weight 144 N is...
1. A uniform horizontal bar of length L = 2.0 m and weight 144 N is pinned to a vertical wall and supported by a thin wire that makes an angle of 0 = 150 with the horizontal. A mass M, with a weight of 302 N, can be moved anywhere along the bar. The wire can withstand a maximum tension of 573 N. What is the maximum possible distance from the wall at which mass M can be placed...
1-A 10 m long bar is attached by a frictionless hinge to a wall and held...
1-A 10 m long bar is attached by a frictionless hinge to a wall and held horizontal by a rope that makes an angle of 53 with the bar. the bar is uniform and weights 40N. a)how far from the hinge should a 10 kg mass be suspended for the tension T in the rope to be 100 N? b) determine the vertical component of the force exerted by the hinge on the bar. --------------------------------------------------------------------------------------------------------------------------------------------------------------------- 2- A traffic light hangs...
A uniform 2 meter stretcher has a mass of 5 kg. It is used by two...
A uniform 2 meter stretcher has a mass of 5 kg. It is used by two persons to carry three masses of 40 kg, 10 kg, and 30 kg, which are located at 0.2 m, 0.5 m, and 1.5 m respectively from the left end of the stretcher. How much support force must each person exert to carry the stretcher?
4) A 1 meter-long, funny-shaped meter stick has an unknown mass but a center of gravity...
4) A 1 meter-long, funny-shaped meter stick has an unknown mass but a center of gravity located at 0.75 m from the left end. When a metal wedge is placed at the middle of the bar and a .50-kg mass is hung from the left end, the bar balances perfectly on the metal wedge. a) Determine the mass of the funny-shaped meter stick (10 pts). b) Calculate the amount of upward force provided by the metal wedge (10 pts).
4) A 1 meter-long, funny-shaped meter stick has an unknown mass but a center of gravity...
4) A 1 meter-long, funny-shaped meter stick has an unknown mass but a center of gravity located at 0.75 m from the left end. When a metal wedge is placed at the middle of the bar and a .50-kg mass is hung from the left end, the bar balances perfectly on the metal wedge. a) Determine the mass of the funny-shaped meter stick (10 pts). b) Calculate the amount of upward force provided by the metal wedge (10 pts). 5)...
(1 point) A non-uniform bar of weight W = 47.5 N is suspended at rest in...
(1 point) A non-uniform bar of weight W = 47.5 N is suspended at rest in a horizontal position by two massless cords. The angle phi between cord 2 and the vertical is equal to 45.0°. The bar has a length L = 8.0 m and the distance of its center of gravity from the left-hand end of the bar is 4.3 m. What is the tension in cord 2? What is the angle theta between cord 1 and the...
1. The ends of a uniform bar AB with length l= 36.0 in and weight W...
1. The ends of a uniform bar AB with length l= 36.0 in and weight W = 30.0 lb are attached to collars of negligible weight that slide without friction along fixed bars. A vertical force P is applied to collar B. The bar is initially at rest in the position shown and the initial angular acceleration of A is 40.0 ft/s to the left, aA = – 40 ft/s i. o= 30° {= 36 in O Draw a free...
4. Two vertical ropes support a 20.0 ft long bar. Each rope is inset 5.00 ft...
4. Two vertical ropes support a 20.0 ft long bar. Each rope is inset 5.00 ft from the ends of the bar. The bar is uniform and weighs 50.0 lb. A weight of unknown size hangs from the left end of the bar, and a 100 lb weight hangs from the right end of the bar. If the tension in the left-side rope is 80.0 lb, find both the weight of the left-side hanging weight and the tension in the...
A uniform plank, 5 meters long, is supported by two equal 120 newton forces, each 1 meter from the ends. The support at...
A uniform plank, 5 meters long, is supported by two equal 120 newton forces, each 1 meter from the ends. The support at the left end is then moved in by 0.5 meters. How is the weight of the plank divided between the left and right supports?
A uniform beam 3.95m long and weighing 2600N and carries a 3450N weight 1.50m from the...
A uniform beam 3.95m long and weighing 2600N and carries a 3450N weight 1.50m from the far end. It is supported horizontally by a hinge at the wall and a metal wire at the far end. How strong does the wire have to be? That is, what is the minimun tension it must be able to support without breaking. What are the horizontal component of the force that the hinge exerts on the beam? What are the vertical component of...
1. A uniform horizontal bar of length L = 2.0 m and weight 144 N is pinned to a vertical wall and supported by a thin wire that makes an angle of 0 = 150 with the horizontal. A mass M, with a weight of 302 N, can be moved anywhere along the bar. The wire can withstand a maximum tension of 573 N. What is the maximum possible distance from the wall at which mass M can be placed...
4) A 1 meter-long, funny-shaped meter stick has an unknown mass but a center of gravity located at 0.75 m from the left end. When a metal wedge is placed at the middle of the bar and a .50-kg mass is hung from the left end, the bar balances perfectly on the metal wedge. a) Determine the mass of the funny-shaped meter stick (10 pts). b) Calculate the amount of upward force provided by the metal wedge (10 pts).
4) A 1 meter-long, funny-shaped meter stick has an unknown mass but a center of gravity located at 0.75 m from the left end. When a metal wedge is placed at the middle of the bar and a .50-kg mass is hung from the left end, the bar balances perfectly on the metal wedge. a) Determine the mass of the funny-shaped meter stick (10 pts). b) Calculate the amount of upward force provided by the metal wedge (10 pts). 5)...
(1 point) A non-uniform bar of weight W = 47.5 N is suspended at rest in a horizontal position by two massless cords. The angle phi between cord 2 and the vertical is equal to 45.0°. The bar has a length L = 8.0 m and the distance of its center of gravity from the left-hand end of the bar is 4.3 m. What is the tension in cord 2? What is the angle theta between cord 1 and the...
1. The ends of a uniform bar AB with length l= 36.0 in and weight W = 30.0 lb are attached to collars of negligible weight that slide without friction along fixed bars. A vertical force P is applied to collar B. The bar is initially at rest in the position shown and the initial angular acceleration of A is 40.0 ft/s to the left, aA = – 40 ft/s i. o= 30° {= 36 in O Draw a free...
4. Two vertical ropes support a 20.0 ft long bar. Each rope is inset 5.00 ft from the ends of the bar. The bar is uniform and weighs 50.0 lb. A weight of unknown size hangs from the left end of the bar, and a 100 lb weight hangs from the right end of the bar. If the tension in the left-side rope is 80.0 lb, find both the weight of the left-side hanging weight and the tension in the...
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