the police department determined that the force required to drag a 130 N(29 lb) car tire across the pavement at a constant veloc

Question

3 years ago

8

the police department determined that the force required to drag a 130 N(29 lb) car tire across the pavement at a constant veloc

ity is called 100N (23 lb ) specifications from the trucks manufacturer claim that the effecrive coefficient of kinetic friction between the tires and road for both new car and truck??

Physics

1 answer:

ki77a [65] · Answer 1 · 2022-03-03T09:09:34+03:00

ki77a [65]3 years ago

4 0

The force of friction is given by:
f = μR, where μ is the friction coefficient and R is the reaction force, which will be equal to the weight.
100 = μ x 130
μ = 0.77