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3. Auniform beam of length L and mass Mhas its lower end pivoted at P on the floor, making an angle 0 with the floor. A horizontal cable is attached at its upper end at point B to a pont A on a wall. A box of mass M is suspended from a rope that is attached to the beam L/4 from its upper end. Find the (a) tension T n the cable and the (b) X- and y-components of the force P exerted by the beam pivot the . [Answer: (a) T = on 5/4 Mg cot 0, (b) P, = T and P,= 2Mg].

3. Auniform beam of length L and mass Mhas its lower end pivoted at P on the floor, making an angle 0 with the floor. A horizontal cable is attached at its upper end at point B to a pont A on a wall. A box of mass M is suspended from a rope that is attached to the beam L/4 from its upper end. Find the (a) tension T n the cable and the (b) X- and y-components of the force P exerted by the beam pivot the . [Answer: (a) T = on 5/4 Mg cot 0, (b) P, = T and P,= 2Mg].

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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3. A uniform beam of length L and mass Mhas its lower end pivoted at P on the floor, making an angle 6 with the floor. A horizontal cable is attached at its end at point B to a point A on a wall. A box of mass M is suspended from a rope that is attached to the beam L/4 from its upper upper end. Find the (a) tension T in the cable and the (b) X- and y-components of the force P exerted by the T = pivot on the [Answer: (a) 5/4 Mg cot 0; (b) P, = T and P, = 2Mg]. beam. M
Transcribed Image Text:3. A uniform beam of length L and mass Mhas its lower end pivoted at P on the floor, making an angle 6 with the floor. A horizontal cable is attached at its end at point B to a point A on a wall. A box of mass M is suspended from a rope that is attached to the beam L/4 from its upper upper end. Find the (a) tension T in the cable and the (b) X- and y-components of the force P exerted by the T = pivot on the [Answer: (a) 5/4 Mg cot 0; (b) P, = T and P, = 2Mg]. beam. M
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