Question

Friction can be increased by making a surface is dash

Answer 1

Rougher surfaces have more friction between them than smoother surfaces. That's why we put sand on icy sidewalks and roads. Increasing the area of surfaces that are touching also increases the friction between them.

Answer 2

Answer:

Rough

Explanation:

Friction can be increased by making a surface rough .

Hope this answer helps you .

Have a nice day .