Why it gets easier to push open a door, the further you are from the hinge?

Question

Why it gets easier to push open a door, the further you are from the hinge?

In: 212

Answer 1

Work = force x distance

Lets say w needs to be 100 to open the door

100=fd

If d is 10, f is 10

If d is 20, f is 5

If d is 50, f is 2

So as d increases, the force required decreases