A lever with an effort arm of 10 meters and a load arm of 2 meters is used to lift an object weighing 220 Newtons to a height of 4 meters. If 400Joules of work is done, how much force must have been applied?(1 point)
Responses
1600 N
1600 N
100 N
100 N
4000 N
4000 N
800 N
1 answer
800 N
1 answer