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Correct answer for number 14
asked
Feb 28, 2021
Mathematics
middle-school
1
answer
1
vote
127k
views
to lift a load to roof, you apply 21 n of force to a pulley. the pulley applies 21 n of force to the load. what is the mechanical advantage of the pulley?
asked
Feb 7, 2021
Physics
high-school
2
answers
5
votes
96.7k
views
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