(3.) In the figure shown below, the 20 kg block is acted upon by friction (assume µk = 0.39) and is connected by cords that do not break or stretch to the freely-hanging 10 kg and 30 kg blocks. (a) Draw a freebody diagram for each object, taking the + x-axis in the direction of motion in each case. and let TL and TR be the tensions in the left and right cords, as shown, respectively, in the figure. TL f20t TR 30 10 (b) Solve for the friction force fy on the 20 kg block. TC) Apply Newton's 2nd law to all three objects (freebodies), and write the three appropriate equations. (d) Solve these equations simultaneously for the tensions (TL and TR) in the cords and the acceleration (a) of the whole system.

(3.) In the figure shown below, the 20 kg block is acted upon by friction (assume µk = 0.39) and is connected by cords that do not break or stretch to the freely-hanging 10 kg and 30 kg blocks. (a) Draw a freebody diagram for each object, taking the + x-axis in the direction of motion in each case. and let TL and TR be the tensions in the left and right cords, as shown, respectively, in the figure. TL f20t TR 30 10 (b) Solve for the friction force fy on the 20 kg block. TC) Apply Newton's 2nd law to all three objects (freebodies), and write the three appropriate equations. (d) Solve these equations simultaneously for the tensions (TL and TR) in the cords and the acceleration (a) of the whole system.

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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Question

(3.) In the figure shown below, the 20 kg block is acted upon by friction (assume µk = 0.39) and is connected
by cords that do not break or stretch to the freely-hanging 10 kg and 30 kg blocks.
(a) Draw a freebody diagram for each object, taking the +x-axis in the direction of motion in each case,
and let TL and TR be the tensions in the left and right cords, as shown, respectively, in the figure.
f201
TR
30
10
(b) Solve for the friction force fg on the 20 kg block.
(C) Apply Newton's 2nd law to all three objects (freebodies), and write the three appropriate equations.
(d) Solve these equations simultaneously for the tensions (TL and TR) in the cords and the acceleration (a)
of the whole system.

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