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Asked Nov 11, 2019
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6. Two blocks connected by a cord (of negligible mass) that passes over a frictionless pulley. One block has mass mi = 3 kg;
the other has mass m2 = 5 kg.
(a) Make a free body diagram for each block .
(b) Apply Newton's II law for each block and calculate the acceleration of each block.
(c) Calculate the magnitude of the tension force in the cord.
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6. Two blocks connected by a cord (of negligible mass) that passes over a frictionless pulley. One block has mass mi = 3 kg; the other has mass m2 = 5 kg. (a) Make a free body diagram for each block . (b) Apply Newton's II law for each block and calculate the acceleration of each block. (c) Calculate the magnitude of the tension force in the cord.

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Expert Answer

Step 1

(a)  The free body diagram of the system is given below

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T a T La M2

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Step 2

(b) Write the expression for accelera...

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Given that the mass of the blocks are m 3kg and m 5kg From the free body diagram the net force on m is та-Т-тg T ma+mg From the free body diagram the net force on m2 is [2] use equation 1in 2 т,а%3Dт,g -T т,а%3 т,g - (та+тg) та+m,а%3Dт,g — mg (т, — т)g a= (т, +т,) (5kg-3kg)(9.8m/s) (8kg) 2.45m/s2

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Newtons Laws of Motion

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