7 ft F= 80 lb 1.5 ft B 45 15 ft 5 ft 3 ft
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Determine the moment of the force F about the door hinge at B. Express the result as components of a Cartesian vector. find the result in lb-feet
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- Find the net torque on the wheel in Figure about the axle through O, taking a=10.0 cm and b=25.0 cm.A uniform plank of length 5 m and weight 200 N rests horizontally on two supports with 1.1 m of the plank hanging over the right support. To what distance x, can a person who weights 430 N walk on the overhanging part of the plank before it just starts to tip? What is the net torque around the pivot point (take the FR support as the pivot point)?Fe -4i+4j+2k LB 6IN Determine the moment due to the force about point 0, expressing the moment as a Cartesian Vector.
- Suppose you exert a force of 195 N tangential to the outer edge of a 1.41-m radius 77.5-kg grindstone (which is a solid disk). 1) What is the torque τ, in newton meters, you are exerting on the grindstone, relative to the center of mass of the grindstone? τ = 2) What is the angular acceleration of the grindstone α0, in radians per square second, assuming negligible friction? α0 = 3) What is the angular acceleration of the grindstone αf, in radians per square second, if there is an opposing frictional force of 20.5 N exerted 0.35 m from the axis? αf =A thin- walled cylinder of radius 50 cm, mass 1.0 kg, is mounted on a frictionless, horizontal axle as in Figure 1 . A light cord wrapped around the wheel supports an object of mass 2 kg. When the wheel is released, the object accelerates downward, the cord unwraps off the wheel, and the wheel rotates with an angular acceleration. Find the angular acceleration of the wheel, , and the tension in the cord.The fishing pole in the figure makes an angle of 20.0o with the horizontal. What is the torque exerted by the fish about an axisperpendicular to the page and passing through the angler’s hand if the fish pulls on the fishing line with a force of 100 N at anangle 37.0o below the horizontal? The force is applied at a point of 2.00 m from the angler’s hands.
- A uniform metal bar of length L and mass M is mounted to an axle that passes through its center of mass as indicated in the figure. The bar is oriented at an angle of 30 degrees to the dotted line as indicated in the figure. A force of magnitude F and pointed to the right is applied to one end of the bar. What is the torque about the axle that is being applied to the bar by the force F? 30° F L Hint: think carefully about angles. O FL O FL OLA horizontal beam of length 2 m and mass 8.0 kg has a mass of 5.0 kg and width 0.8 m sitting at the end of the beam (see the following figure). What is the torque due to gravity (in N. m) on the beam-block system about the support at the wall? (Enter the magnitude.) Wall support 0.8 m, 5.0 kg 2 m, 8.0 kgNeeds Complete typed solution with 100 % accuracy.
- Could I please get some help with this problem and the fundamentalsA 1350N window washers platform, 3.5 m long is suspended by two vertical wires at its ends. A 600N person is standing 2.0m form the right end. What are the tensions on both sides in two wires?Write the necessary equation of the object shown in figure below. Fx R, go Take the origin of the torque equation about an axis perpendicular to the page through the point O. (Let counterclockwise torque be positive and let forces to the right and up be positive. Use any variable or symbol stated above along with the following as necessary: Fg for the magnitude of Fg.) ΣFx X. = 0 EFy = = 0 Στ = 0