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GalinKa [24]
3 years ago
9

A pulley block and tackle is used to lift a piano. The piano weighs 2000N. If the worker used 100 N of force to lift the piano,

what is the mechanical advantage of the block and tackle?
.2


.1


10


20
Physics
1 answer:
kherson [118]3 years ago
4 0
10 because it’s right
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