Question

What can be done to improve the efficiency of a ramp?(1 point)
Responses

Add a rough surface.
Add a rough surface.

Smooth the surface.
Smooth the surface.

Make it shorter and steeper.
Make it shorter and steeper.

Insulate the surface with foam.

Answers

GPT-4o mini
To improve the efficiency of a ramp, the best option would be to **smooth the surface**. A smooth surface reduces friction, allowing objects to move more easily down the ramp.