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27 Nov 2019
The coefficient of static friction between block A and ahorizontal floor is 0.53 and the coefficient of static frictionbetween block B and the floor is 0.40. The mass of each block is1.3 kg and they are connected together by a cord.
(a) If a horizontal force pulling on block B is slowly increased,in a direction parallel to the connecting cord, until it is barelyenough to make the two blocks start moving, what is the magnitudeof at the instant that they start to slide?
______ N
(b) What is the tension in the cord connecting blocks A and B atthat same instant?
______ N
The coefficient of static friction between block A and ahorizontal floor is 0.53 and the coefficient of static frictionbetween block B and the floor is 0.40. The mass of each block is1.3 kg and they are connected together by a cord.
(a) If a horizontal force pulling on block B is slowly increased,in a direction parallel to the connecting cord, until it is barelyenough to make the two blocks start moving, what is the magnitudeof at the instant that they start to slide?
______ N
(b) What is the tension in the cord connecting blocks A and B atthat same instant?
______ N
