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Biology, 18.10.2020 08:01, banna01man
If you have a mechanical advantage of 2 with a block and tackle system. How much force do you have to pull with?
1. Three times
2. Twice
3. Half
4. one quarter
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Answers: 2
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If you have a mechanical advantage of 2 with a block and tackle system. How much force do you have t...
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