Friction is the opposition offered to the movement of a surface on another and depends on the nature of the surfaces in contact.
<h3>What is friction?</h3>
The term friction refers to the opposition that is offered by surfaces in contact when they move over each other. The question is incomplete but I will try to help you the much I can.
Now recall that fricton only depends on the nature of the surfaces in contact. The friction is te reason when heat is provides in the moving parts of machines.
Learn more about friction: brainly.com/question/15117038
Answer:v=3.08 m/s
Explanation:
Given
mass of student 
distance moved 
Force applied 
acceleration of system during application of force is a
using 
where v=final velocity
u=initial velocity
a=acceleration
s=displacement
