- #1
batballbat
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1. is it true that we have to apply lesser force in lifting a book by holding it near the center than by holding it at the end?
2. why isn't it easier to lift a weight attached to a string when the string is longer than when the string is shorter. is there a theoretical explanation?
2. why isn't it easier to lift a weight attached to a string when the string is longer than when the string is shorter. is there a theoretical explanation?