Question

. C. #1 : A block of mass M4 is positioned on top of another block of mass Mg that is moving towards the right. There is no friction bctween the lower block and the table but there is friction between the two blocks, with a coefficient of kinetic friction Au. The upper block is tied to the wall with a taut, ideal string that prevents it from moving along with MB. Another ideal string attached to the lower block pulls that block to the right with a constant tension TB A. Draw a Free Body Diagram (FBD) for each of the two blocks. Be sure to indicate and properly label all the forces that act on each block. To minimize confusion (yours and the grader's), identify the various normal forces with subscripts, as in NaT-the normal force on block B due to the table and NBA the normal force on block B due to block A B. Determine Ta, the tension in the string that is attached to the upper block, as a function of parameters you are given in the problem statement, plus g. You might not need all of these parameters for your answer. Determine aB, the acceleration of the lower block in terms of the given parameters. C.

Answer 1

A) 13 drovn d.bd. 억 ft Me he어 d-b.d. A B 8 3 3 A m