Physics, 31.07.2020 16:01 Fashiondiva88
A small branch is wedged under a 200 kg rock and rests on a smaller object. The smaller object is 2.0 m from the large rock and the branch is 12.0 m long.
(a) If the mass of the branch is negligible, what force must be exerted on the free end to just barely lift the rock?
(b) What is the mechanical advantage of this lever system?
Answers: 2
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A small branch is wedged under a 200 kg rock and rests on a smaller object. The smaller object is 2....
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