Physics, 12.04.2021 16:20 ronni386re
1. Using a block-and-tackle, a mechanic pulls 8.2 m of chain with a force of 90 N in
order to lift a 320 N motor to a height of 2.9 m.
a) What is the AMA( Actual mechanical advantage) 10 points
b) What is the IMA (Ideal Mechanical Advantage) 10 points
c. What is the efficiency of the block-and-tackle? (10 points)
Answers: 3
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1. Using a block-and-tackle, a mechanic pulls 8.2 m of chain with a force of 90 N in
order to lift...
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