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
800 N
800 N
100 N
100 N
4000 N
To find the force applied, we can use the formula for work done:
Work = Force × Distance
Given that the work done is 400 Joules, the distance is 4 meters, and the load arm is 2 meters, we can calculate the force applied:
400 J = Force × 4 m (distance)
Simplifying the equation, we get:
Force = 400 J / 4 m = 100 N
Therefore, the force that must have been applied is 100 N.