Recent content by Kogsug

ok then... thank you

what do u mean what principles apply here? this is the full problem word for word. we just started levers... and we have not done torgue. does this work? (B)(x)=(0.6m)(load) (50kg)(x)=(0.6m)(2500kg) x={(0.6m)(2500kg)}/(50kg) so x=30 meters? can somone please tell me if this is...

I can't figure this problem out and i don't know where to start. A young boy(50kg) wants to lift a boulder with a mass of 2500kg. He can wedge a board under it so that from the boulder to a pivot/fulcrum is 0.6 meters. How long does the other end of the board have to be for the boy to lift...