#2. A car on a level road turns a quarter circle counter-clockwise. Static friction force causes the centripetal acceleration. Work done by static friction is A) positive B) negative C) zero
#2. A car on a level road turns a quarter circle counter-clockwise. Static friction force causes the centripetal acceleration. Work done by static friction is A) positive B) negative C) zero
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:#2. A car on a level road turns a quarter circle counter-clockwise. Static friction force
causes the centripetal acceleration. Work done by static friction is
A) positive
B) negative
C) zero
Expert Solution
Step 1
The expression for the work done by the static friction is,
Here, is the angle between the frictional force f and the displacement s.
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