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 4000 N 4000 N 1600 N 1600 N 100 N 100 N 800 N
To find the force that must have been applied, we can use the formula for work done, which is given by the equation:
Work = Force × Distance
In this case, the work done is given as 400 Joules. The distance is the height the object is lifted, which is 4 meters. So we can rearrange the equation to solve for force:
Force = Work / Distance
Force = 400 J / 4 m
Force = 100 N
Therefore, the force that must have been applied is 100 Newtons.