Q2) The tongs are used to lift the 150-kg crate, whose center of mass is at G. Determine the least coefficientof static friction at the pivot blocks so that the crate can be lifted, then discuss your results.275 mm500 mms00 mm300 mmFig. Q2.

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Answered: The tongs are used to lift the 150-kg…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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2. Block A weighs 100N and block B weighs 300N both rests on an inclined plane downward to the right at a slope of 3 vertical to 4 horizontal. The blocks are connected by a cable parallel to the plane, passing through the pulley then connected to another block C weighing 400N. The coefficient of friction under A is 0.30 and under B is 0.20. Compute the tensions in the cable.
PROBLEM 3: For the given system below, determine the reaction at points A and B. Also, determine the required coefficient of friction at point B. The body's weight is given as 490 N. 0.4m 0.6m 4
Dynamic Lesson Blocks A and B both have mass m. Find the maximum horizontal force P that can be applied to the B block, in terms of given, so that the A block does not have any relative movement on the B block.[Note: All surfaces are non-friction].
A 260-kg block is resting on a 29 deg inclined plane with a coefficient of friction = 0.68. Find the required horizontal force P (kN) that is necessary to start the block UP the incline.
While digging a small hole prior to planting a tree, a homeowner encounters rocks. If he exerts a horizontal 242-N force on the prybar as shown, what is the horizontal force exerted on rock C? Note that a small ledge on rock C supports a vertical force reaction there. Neglect friction at B. Complete solutions (a) including and (b) excluding the weight of the 17-kg prybar. 242 N A, 1750 mm 15 B 220 mm Answers: (a) Including weight, Fc = i N (a) Excluding weight, Fc = i N
2. The two 200-lb blocks are pushed apart by the 15° wedge of negligible weight. The angle of static friction is 12° at ali contact surfaces. Determine the force P required to start the blocks moving. 1515 200 lb 200 lb
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Determine the maximum downward force Pmax that can be applied to wedge A that will keep the assembly in equilibrium. Based on the value of the force in link BC, determine whether block C will slip or tip first. At Pmax, what are the frictional forces between wedge A and block B, fAB, and between wedge A and wall D, SAD? The weight of block C is 192 N while that of the wedge is negligible. Draw the FBDs of wedge A, block B, and block C. Label correctly all the forces (especially normal and frictional forces with proper subscripts) and indicate the direction of the impending motion next to each FBD. Note that the weight of block B, though not negligible, is not necessary in the computation. W HAD 0.27 D P A B 60° HAB= 0.14 |sg =0 E C 1 m HCF = 0.375 F R 2.4 m 3.2 m
the object weights 26lbs, that weight is evenly distributed determine the P required for the body to have impending motion. The coefficient of static friction is .5. Also, state whether the object will slip or tip HINT: It’s a 2d problem not 3d and you will need to find the centers of gravity
ösalg äbäi Force appear due to spring -5 .. or string is .. Friction O Tension O Weight
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The tongs are used to lift the 150-kg crate, whose center of mass is at G. Determine the least coefficie of static friction at the pivot blocks so that the crate can be lifted, then discuss your results.