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	A lever		2013-11-09
		Durgesh pose la question : A farmer uses a 2 m long lever to lift large rocks from the ground of his field . He places a fulcrum 20cm from the rock end of the lever and then stands on the other end, levering out the rock. If the farmer weighs 100 kg , what is the heaviest mass of the ro ck that he can lift using this method? (how to solve) Penny Nom lui répond.
	Balancing on a fulcrum (net torque and equilbrium)		2008-01-15
		Eric pose la question : If I have a 4" bar that has no weight value with a 275lb. weight on one side and a 125lb. weight on the other side what would be the folcrum point? Please keep the answer very simple. Also is there a fixed equation to figure folcrum points? Is there an equation for if the 4" bar had a weight value? Stephen La Rocque lui répond.
	Levers		1999-01-13
		Lane Campbell pose la question : 1. Solve for x or y. (a) <-----4m------><------4m-----><---------xm ---------> _____________________________________________________ ^ ^ ^ ^ 25N 5N ^ 15N Jack LeSage lui répond.

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