Physics
Physics, 20.07.2019 15:10, wildfire771003

Aload of 600n is raised by an effort of 2000
by using i meter long crowbar. if the lod is
20cm away from the fulcrum, what is the
efficiency of the crow-bar?

answer
Answers: 3

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Aload of 600n is raised by an effort of 2000
by using i meter long crowbar. if the lod is
...

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