Question

The diagram shows a lever. A weight is near the end of the lever. A force, F pushes up on the pad and balances the lever.

A) The 50 N weight is pulling the lever anticlockwise around the pivot calculate the moments of the 50 N weight about the pivot

B) The force F is just big enough to keep the lever balanced. What is the moment of force F and the pivot?

C) The force F became smaller. How should the 50 N weight be moved to keep the lever arm horizontal?

D) What is the size of force F ?

Answer 1

Answer:

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