A 60.0 cmcm, uniform, 60.0 NN shelf is supported horizontally by two vertical wires attached to the sloping ceiling (Figure 1). A very small 25.0 NN tool is placed on the shelf midway between the points where the wires are attached to it.
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A 60.0 cmcm, uniform, 60.0 NN shelf is supported horizontally by two vertical wires attached to the sloping ceiling (Figure 1). A very small 25.0 NN tool is placed on the shelf midway between the points where the wires are attached to it.
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- L d- ms A horizontal L=1.3 m long mb=15 kg uniform bar is hinged on the left end and pulled at the right end by a cable. The cable makes 35° angle with horizontal. A 18 kg store sign is suspended below the bar at d=0.10 m from the right end. Find the magnitude of vertical hinge force.4. A 6.00 m uniform beam of mass 17.0 kg is hinged to a vertical wall. Thebeam is kept in a stationary horizontal position by an 8.00 m cable. Oneend of the cable is attached to the other end of the beam while the otherend of the cable connects to the vertical wall 4.00 m above the hinge.When a 10.0 kg crate is placed on the beam 5.00 m from the verticalwall the system is in equilibrium. (a) Draw a free-body diagram showing the forces present. (b) What is the tension in the cable? (c) Compute the magnitude of the horizontal and vertical components of the reaction force on the beam from the wall.A 0.19 kg horizontal beam has length L=0.8 m. It is supported by a fulcrum at d=0.50 m from the left end. A 0.25 kg mass ml is suspended at xl-0.25 m from the bar's left end. Another mass mr is suspended at xr=0.80 m from the bar's left end. The system is in equilibrium. How heavy in kg is the mass mr on the right side? Hint: the bar's gravity has a torque if it is not supported by the fulcrum at exactly half way.
- Item 7 In (Figure 1) a 6.00-m-long, uniform beam is hanging from a point 1.00 m to the right of its center. The beam weighs 135 N and makes an angle of 30.0° with the vertical. At the right-hand end of the beam a 100.0 N weight is hung; an unknown weight w hangs at the left end. Figure 4.00 m 30.0⁰ W 2.00 m 100.0 N 1 of 1 > Part A If the system is in equilibrium, what is w? You can ignore the thickness of the beam. Express your answer with the appropriate units. O Ti ? μA W = Units Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining Part B If the beam makes, instead, an angle of 45° with the vertical, what is w? Express your answer with the appropriate units. O μA ? W = Value Units Submit Provide Feedback Value Request AnswerA 480-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal, 6.00-m-long, uniform, 130-N rod as indicated in the figure below. The left end of the rod is supported by a hinge and the right end is supported by a thin cable making a 30.0° angle with the vertical. (Assume the cable is connected to the very end of the 6.00-m-long rod, and that there are 2.00 m separating the wall from the sign.) (a) Find the (magnitude of the) tension T in the cable. N(b) Find the horizontal and vertical components of the force exerted on the left end of the rod by the hinge. (Take up and to the right to be the positive directions. Indicate the direction with the sign of your answer.) horizontal component N vertical component NA 480-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal, 6.00-m-long, uniform, 150-N rod as indicated in the figure below. The left end of the rod is supported by a hinge and the right end is supported by a thin cable making a 30.0° angle with the vertical. (Assume the cable is connected to the very end of the 6.00-m-long rod, and that there are 2.00 m separating the wall from the sign.) (a) Find the (magnitude of the) tension T in the cable. N(b) Find the horizontal and vertical components of the force exerted on the left end of the rod by the hinge. (Take up and to the right to be the positive directions. Indicate the direction with the sign of your answer.) horizontal component N vertical component N
- A 520-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal, 6.00-m-long, uniform, 150-N rod as indicated in the figure below. The left end of the rod is supported by a hinge, and the right end is supported by a thin cable making a 30.0° angle with the vertical. (Assume the cable is connected to the very end of the 6.00-m-long rod, and that there are 2.00 m separating the wall from the sign.) 30.00 T ICE CREAM SHOP (a) Find the tension T in the cable. (Give the magnitude of the tension.) N (b) Find the horizontal and vertical components of force exerted on the left end of the rod by the hinge. (Take up and to the right to be the positive directions. Indicate the direction with the sign of your answer.) horizontal component N vertical component Need Help? Read It Master ItA 460-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal, 6.00-m-long, uniform, 120-N rod as indicated in the figure below. The left end of the rod is supported by a hinge, and the right end is supported by a thin cable making a 30.0° angle with the vertical. (Assume the cable is connected to the very end of the 6.00-m-long rod, and that there are 2.00 m separating the wall from the sign.) 30.00 T ICE CREAM SHOP (a) Find the tension T in the cable. (Give the magnitude of the tension.) N (b) Find the horizontal and vertical components of force exerted on the left end of the rod by the hinge. (Take up and to the right to be the positive directions. Indicate the direction with the sign of your answer.) horizontal component N vertical componentA 520-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal, 6.00-m-long, uniform, 110-N rod as indicated in the figure below. The left end of the rod is supported by a hinge and the right end is supported by a thin cable making a 30.0° angle with the vertical. (Assume the cable is connected to the very end of the 6.00-m-long rod, and that there are 2.00 m separating the wall from the sign.) A rectangular sign hangs along the bottom of a rod connected to a hinge on a wall on its left. A cable with tension T at the right end of the rod connects to the wall above the hinge and makes a 30.0° angle with the vertical. The right end of the sign is at the right end of the rod.(a) Find the (magnitude of the) tension T in the cable. N (b) Find the horizontal and vertical components of the force exerted on the left end of the rod by the hinge. (Take up and to the right to be the positive directions. Indicate the direction with the sign of your answer.)
- A 480-N uniform rectangular sign 4.00 m wide and 3.00 m high is suspended from a horizontal, 6.00-m-long, uniform, 140-N rod as indicated in the figure below. The left end of the rod is supported by a hinge and the right end is supported by a thin cable making a 30.0° angle with the vertical. (Assume the cable is connected to the very end of the 6.00-m-long rod, and that there are 2.00 m separating the wall from the sign.) 30.00 ICE CREAM SHOP (a) Find the (magnitude of the) tension T in the cable. N (b) Find the horizontal and vertical components of the force exerted on the left end of the rod by the hinge. (Take up and to the right to be the positive directions. Indicate the direction with the sign of your answer.) horizontal component vertical componentThe bones of the forearm (radius and ulna) are hinged to the humerus at the elbow. The biceps muscle connects to the bones of the forearm about 2.15 cm beyond the joint. Assume the forearm has a mass of 2.45 kg and a length of 0.465 m. When the humerus and the biceps are nearly vertical and the forearm is horizontal, if a person wishes to hold an object of mass 5.35 kg so that her forearm remains motionless, what is the force F exerted by the biceps muscle? F=?A uniform 8.00 m, 1500 kg beam is hinged to a wall and supported by a thin cable attached 2.00 m from the free end of the beam, as shown in the figure. The beam is fixed to the wall by a hinge at an angle of 30.0 degrees above the horizontal. The angle between the cable and the beam is 40.0 what is the direction of torque exerted by the beam around the point where the cable is attached to the beam? a) clockwise b) counterclockwise