As shown below, a 258 N horizontal beam is in equilibrium. The orange circle represents the hinge Determin the force used on the beam relative to the vertical
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As shown below, a 258 N horizontal beam is in equilibrium. The orange circle represents the hinge
Determin the force used on the beam relative to the vertical
Solution:
There is a horizontal and vertical contact reaction force are acting at the hinge and the system is in equilibrium. The weight of the horizontal beam is 258 N and the weight hanging is 179 N. There is a tension T in the string of length 1.25 m. The angle made by the string with the beam is,
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- In the figure, the center of gravity (CG) of the pole held by the pole vaulter is 1.95 m from the left hand, and the hands are 0.725 m apart. The mass of the pole is 5.0 kg. Calculate the magnitude of the force, in newtons, exerted by his left hand.In the figure, the center of gravity (CG) of the pole held by the pole vaulter is 1.8 m from the left hand, and the hands are 0.69 m apart. The mass of the pole is 5.0 kg. (Image attached) Calculate the magnitude of the force, in newtons, exerted by his right hand. Calculate the magnitude of the force, in newtons, exerted by his left hand.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, 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.) 30.0° 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 N
- A 355 N uniform ladder of length L= 8.00 m leans against a smooth (frictionless) wal The ladder mnakes an angle of 50.0° angle with the horizontal ground and the force of static friction keeps the ladder from sliding to the left. An 875 N firefighter has climbed d = 6.30 m along the ladder trom the bottom. What is the force of static friction f, between the ladder and the ground? 50.0 O 119 N O 480 N O 727 N O 567 N command eptienFind the magnitude of the torque exerted by F on the bolt at P if PQ = 4 in. and F = 36 Ib. %3D 450 The magnitude of the torque exerted by F on the bolt at P is ..... ft-lb.A uniform beam has a length of 17.7 m and a mass of 39.6 kg. The beam is horizontal and resting (in equilibrium) on two supports. One of the supports is located 3.32 m to the right of the beam's center of mass. This support applies an upward force of 245 N to the beam. Ehat distance separates the two supports?
- A 580-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) 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 81 cm wide door is pushed open with a 91N force applied to the end opposite the hinges. For each of the following, calculate the torque about an axis that passes through the hinges. a)The force is applied at 250 from the perpendicular to the face of the door, toward the hinges. b) The force is applied at 700 from the perpendicular to the face of the door, toward the hinges.A uniform 8.00 m, 1500 kg beat is hinged to a wall and supported by a thin cable attached 2.00 m from the free end of the beam. 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 degrees. What is the direction of the torque exerted by the beam around the point where the cable is attached? -clockwise -counterclockwise
- A 420-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.) 30.0 IE CEAM MOP (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 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 componentA 560-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.) T 30.0 ICE CREAM SHOP (a) Find the (magnitude of the) tension T in the cable. (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 component N