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A construction worker uses a board and log as a lever to lift a heavy rock. He applies a force of 20 N without the use of the lever, however with the lever, he applies a force of 10 N. What is the mechanical
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Oct 27, 2022
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A construction worker uses a board and log as a lever to lift a heavy rock. He applies a force of 20 N without the use
of the lever, however with the lever, he applies a force of 10 N. What is the mechanical advantage?
Physics
high-school
KevinD
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Answer:
vz vc
Step-by-step explanation:
v b
Greedo
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Oct 31, 2022
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