Question

The inclined plane below is being used to lift a box 7 ft.



The inclined plane has a mechanical advantage of 1.5. What is the length, x, of the inclined plane?

mechanical advantage = (length of ramp)/(height of ramp)

(1 point)
Responses

10.5 feet
10.5 feet

.25 feet
.25 feet

2.5 feet
2.5 feet

7.5 feet
7.5 feet

Answer 1

Mechanical advantage = length / height, so length = MA × height = 1.5 × 7 = 10.5 feet.

Answer: 10.5 feet.