Question

ORAL QUESTIONS
1. Does friction always oppose motion?
2. A surface is rubbed to make it smoother,
What effect will this have on friction?
Give reasons.
3. Two surfaces are rubbed together, first with
a small force and then with a greater force.
In which case will the friction between the
surfaces be higher? Give reasons.​

Answer 1

Answer:

2.it become less frictional surface

1. Does friction always oppose motion?,yes

2. A surface is rubbed to make it smoother,

What effect will this have on friction?

Give reasons.

3. Two surfaces are rubbed together, first with

a small force and then with a greater force.

In which case will the friction between the

surfaces be higher? Give reasons.

3.(it has higher friction)