from a homework
Degree Level: Pre-College
Question:
A 1-m pry bar is held horizontally and used to open a crate. The tip of the bar, which serves as the fulcrum, is pushed in a distance of 2 cm between the crate lid and the crate. If a 20-N force is applied perpendicularly to the end of the bar, what force is applied on the crate lid?
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