a lever is 5 m long. The distance from the fulcrum to the weight to be lifted is 1 m. If a 3000 N rock is to be lifted, how much force must be excerted on the lever?
asked by lulu
F1=3000 d1 is 1m
F2=? d2 is 4m
solve for F2posted by bobpursley
750Nposted by Margarita