Engineering Mechanics: Dynamics (14th Edition)
Engineering Mechanics: Dynamics (14th Edition)
14th Edition
ISBN: 9780133915389
Author: Russell C. Hibbeler
Publisher: PEARSON
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Chapter 20.3, Problem 35P
To determine

The angular velocity of the rod, vAB .

The speed of collar B , v .

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The lamp shown in the figure is supported by a pole AO and cables AC and AB. Each cable can sustain a 1.5 m B maximum tension of 500 N, and pole can withstand a maximum compression of 300 N. Note that the force in pole AO acts along its axis. 4 m The coordinates of the points are: O (0, 0, 0); A (2, -1.5, 6); B (-4, 1.5, 0); C (0, 1.5, 0) Determine the maximum weight of the lamp that can be supported. 2 m 6 m / /1.5 m Draw all necessary FBD's to solve this problem. Put 1.5 m units on your answers.
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The figure below depicts the tire, axle, and gear of a large tractor. The entire structure is in mechanical equilibrium. Bearings support the rotating axle at points A and C attached to the tractor's frame. A force FD = 5000 lb is applied in the -z direction at point G of a gear with a 3-in radius. The force W = 1000 lb in the +z direction represents a normal force resulting from the weight of the tractor. The force Q acting in the +x direction, represents the traction force between the tire and the ground. The wheel, axle, and gear assembly weigh 150 lb with center of gravity at point D, which lies on the y axis with coordinate yp = -18 in. Points A, C, D (not seen in the figure), and E lie in the yz plane. Point G lies in the xy plane. Questions & Analysis: (a) Draw the FBD for the wheel, axle, and gear assembly if the bearings at A and B resist moments and the bearing at A is a thrust bearing. Label all unknowns. (b) Is the assembly statically determinate or statically…

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Engineering Mechanics: Dynamics (14th Edition)

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