PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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THE 600 lb CRATE IS SUPPORTED BY THE THREE CABLES. FIND THE TENSION IN EACH CABLE.
Cart B , which weighs 75 kN, rolls along a sloping track that forms an angle B with the horizontal. The spring constant is 5 kN/m, and the spring is unstretched when x= 0. Determine the distance xcorresponding to equilibrium for the angle B indicated.Angle β= 60°
Determine the required force P shown needed to maintain equilibrium of the scissors linkage when θ = 60°. The spring is unstretched when θ = 30°. Neglect the mass of the links.
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- The woman is trying to move the crate of weight W by pulling on the rope at the angle to the horizontal. Find the smallest possible tension that would cause the crate to slide and the corresponding angle .arrow_forwardThe man pushes the 120-lb homogeneous crate with the horizontal force P. Determine the largest distance h for which the crate will slide without tipping.arrow_forwardThe cable of mass 1.8 kg/m is attached to a rigid support at A and passes over a smooth pulley at B. If the mass M = 40 kg is attached to the free end of the cable, find the two values of H for which the cable will be in equilibrium. (Note: The smaller value of H represents stable equilibrium.)arrow_forward
- The two uniform cylinders, each of weight W, are resting against inclined surfaces. Neglecting friction, draw the free-body diagrams for each cylinder and for the two cylinders together. Count the total number of unknowns and the total number of independent equilibrium equations.arrow_forwardThe weightless bars AB and CE, together with the 5-lb weight BE, form a parallelogram linkage. The ideal spring attached to D has a free length of 2 in. and a stiffness of 7.5 lb/in. Find the two equilibrium positions that are in the range 0/2, and determine their stability. Neglect the weight of slider F.arrow_forwardThe cable is loaded by an 80-lb vertical force at C and a horizonal force P at B. Determine P.arrow_forward
- The uniform, 30-lb ladder is raised slowly by pulling on the rope attached at A. Determine the largest angle that the ladder can attain if the maximum allowable tension in rope BC is 120 lb.arrow_forwardThe 40-kghomogeneous disk is placed on a frictionless inclined surface and held in equilibrium by the horizontal force P and a couple C (C is not shown on the figure). Find P and C.arrow_forwardThe cable AOB weighs 24 N/m. Determine the sag H and the maximum tension in the cable.arrow_forward
- The 14-kN weight is suspended from a small pulley that is free to roll on the cable. The length of the cable ABC is 20 m. Determine the horizontal force P that would hold the pulley in equilibrium in the position x=5m.arrow_forwardDetermine the tension in the horizontal cablearrow_forwardPlease help me with this Draw a free-body diagram of all the forces acing on the mass m and for all the forces acting on both the pulleys. Show that the minimum tension T1 for the mass to start sliding up the slope is about 3580 N. Hence, determine the tensions T2, T3 and the minimum force F for the mass to start sliding up the slope. Assuming that the cables with tensions T2 and T3 remain parallel to the inclined slope, determine the magnitude of the tension T in the strong cable just as the mass starts sliding up the slope.arrow_forward
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