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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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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?

User KevinD
by
7.2k points

1 Answer

4 votes

Answer:

vz vc

Step-by-step explanation:

v b

User Greedo
by
6.5k points
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