Question

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

Insulate the surface with foam.
Insulate the surface with foam.

Smooth the surface.
Smooth the surface.

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

Add a rough surface.

Answers

GPT-4o mini
To improve the efficiency of a ramp, the best option is to **smooth the surface.** A smooth surface reduces friction, making it easier for objects to move up and down the ramp.