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Q1. For a mechanical car jack is is noticed that a force of 50 N must push down on the handle a distance of 105M for each .042 M the jack raises. What is the IMA of the Jack? Assuming the jack is 40% efficient, how large a load can the applied 50N lift?

Q2. A child of mass 24 kg sits 2.10m to the left of the center of a seesaw. The mass of the seesaw is 35 kg. How far to the right of the central pivot must a second child of mass 40 kg sit if the seesaw is to be perfectly balanced?

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Category:- Physics
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