Question

Which of the following is best used to decrease the amount of work required to push the wheelchair up the ramp ?

a.Decrease the angle of the inclined plane
b.double the length of the inclined plane
c.increase the angle of the inclined plane
d.increase the mass of the wheelchair

Answer 1

The answer would be C. because you want to make it go down faster. Therefore if you push the plane up a bit then it will go down faster.

Answer 2

I think it might be A or D
Hope this was helpful