Question

Two boys are riding their bicycles on the same concrete road. One has new tyres on

his bicycles while the other has tyres that are old and used. One of them is more likely to slip

while moving through a patch of the road which has lubricating oil spilled over it.

A) Name the force which opposes the motion between two surfaces in contact​

Answer 1

Answer:

easy .it's friction pls mark me as brainliest