Three forces act on block 1: its weight W→1, the normal force F→N, and the force T→ due to the tension in the cord. Two forces act on block 2: its weight W→2 and the force T→′ due to the tension. The acceleration is labeled according to its magnitude a. Free-body diagrams for the two blocks.

Figure 4.35

(a)

Three forces act on block 1: its weight , the normal force , and the force due to the tension in the cord. Two forces act on block 2: its weight and the force due to the tension. The acceleration is labeled according to its magnitude a.

(b)

Free-body diagrams for the two blocks.