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Imagine a long bar floating in space. What force does it exert on itself in the middle due to gravity?

Imagine a long bar floating in space. What force does it exert on itself in the middle due to gravity?

Grade:9

1 Answers

Vikas TU
14149 Points
3 years ago
You should be able to simplify by cutting the bar into pieces, but that gives a different answer depending on how many pieces you use (see below). So the simplification must be wrong

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