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10-06-2019
Physics

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a crowbar of 2 meter is used to lift an object of 800N if the effort arm is 160cm , calculste the effort applied

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MathPhys MathPhys

10-06-2019

Answer:

200 N

Explanation:

The crowbar is 2 meter, or 200 cm. The effort arm is 160 cm, so the moment arm of the object is 40 cm.

(800 N) (40 cm) = F (160 cm)

F = 200 N

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