Social Studies, 14.12.2020 20:50 bravoy
Which of the following statements is true?
A fixed pulley has a mechanical advantage of three.
A block-and-tackle pulley is attached to a support, such as a pole.
An axe is made of a wedge and a lever. It is a compound machine.
All of the above.
Answers: 2
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Which of the following statements is true?
A fixed pulley has a mechanical advantage of three.
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