Two boxes connected by a light horizontal rope are on a horizontal surface. The

Question

Two boxes connected by a light horizontal rope are on a horizontal surface. The coefficient of kinetic friction between each box and the surface is 0.30. One box (box B) has mass 4.51kg , and the other box (box A) has mass m . A force F with magnitude 36N and direction 53.1?above the horizontal is applied to the 4.51kg box, and both boxes move to the right with 1.50m/s2

1. What is the tension T in the rope that connects the boxes?

2. What is the mass m of the second box? Use the unrounded intermediate answers to calculate the final one.

Explanation / Answer

The setup seems clear enough.

A) B normal force Fn = mg - Fsin? = 4.51kg * 9.8m/s

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