A man weighs a fish with a spring scale attached to the ceiling of an elevator, as shown in Figure 4.17a. While the elevator is at rest, he measures a weight of 40.0 N. (a) What weight does the scale read if the elevator accelerates upward at 2.00 m/s2? (b) What does the scale read if the elevator accelerates downward at 2.00 m/s2, as in Figure 4.17b? (c) If the elevator cable breaks, what does the scale read?
FIGURE 4.17
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