Can a simple inclined plane have a mechanical advantage less than one? Explain your answer. (Hint: Can the height of a ramp ever be greater than its length?)

Explanation:

The mechanical advantage of a simple inclined plane is given by the ratio of length of the incline and the vertical height of the plane. The mechanical advantage of a inclined plane can never be less than 1. This is because, length of the sloping surface is more than the height of the inclined plane.

Hence, the mechanical advantage of an inclined can never be less than 1.

i believe the answer would be:

d. violin, clarinet, french horn, and tuba