Saturday, February 4, 2012 at 2:06pm.
How much work is required to lift a 3.3-kg concrete block to a height of 1.2 m?
Same procedure qs previous prob.
I lift a chair that weights 30 lbs and 3 meters.how much did I do?
The man lifted the 15 pound weight 2 feet above his head. How much work was done?
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