Mass Stack
15
Apr/090
Apr/090
How much work is required to stack them one on top of another?
Eight books, each 4.5 cm thick with mass 2.0 kg, lie flat on a table.
How much work is required to stack them one on top of another?
Approximately 0.9J to stack the second on the first.
twice as much for the third, three times as much for the fourth......etc.
Total 25.2 J
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