Fc = 0.224 N (b) Assuming an unbanked curve, find the minimum static coefficient of friction between the tires and the road, static friction being the reason that keeps the car from slipping (see figure below). X Free-body diagram N W
Fc = 0.224 N (b) Assuming an unbanked curve, find the minimum static coefficient of friction between the tires and the road, static friction being the reason that keeps the car from slipping (see figure below). X Free-body diagram N W
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:What coefficient of friction do cars need on a flat curve?
(a) Calculate the centripetal force exerted on a 950 kg car that negotiates a 450 m radius curve at
m
20.0
S
Enter to 3 significant figures
Fo 0.224
N
(b) Assuming an unbanked curve, find the minimum static coefficient of friction between the tires and
the road, static friction being the reason that keeps the car from slipping (see figure below).
W
!
No, that's not the correct answer.
Free-body
diagram
f
N
W
ƒ = F
Caption: This car on level ground is moving away and turning to the left. The centripetal force causing
the car to turn in a circular path is due to friction between the tires and the road. A minimum
coefficient of friction is needed, or the car will move in a larger-radius curve and leave the roadway.
Enter to 3 significant figures
Hs= 0.224
√
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