1) Multiple choice question While reading section 6.1 of the book, you learned that angular speed, ?ω  rad/s, of a rotating object is related to the linear speed or simply speed, v m/s, with the equation ?=??v=rω , where r is the distance of rotating object from the center of rotation. You also learned that v is tangent to the circular path every moment as shown in the sketch. The equation ?=??v=rω, tells us that Picture is below a) Speed, v, of a rotating object could change even when angular speed, ?ω , is constant b) Speed, v, of a rotating object remains same if angular speed, ?ω , is the same c) r must be constant to use this equation d) All in the list    2)Multiple choice question According to the sketch of the free body diagram of the car moving on a part of a circular path on a flat road, the centripetal force necessary to keep the car  on the path comes from Free-body diagram is below    a) Static friction force b) Kinetic friction force  c) Weight of the car d) Normal force on the car e) Newton’s first law of motion

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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1) Multiple choice question

While reading section 6.1 of the book, you learned that angular speed, ?ω  rad/s, of a rotating object is related to the linear speed or simply speed, v m/s, with the equation ?=??v=rω , where r is the distance of rotating object from the center of rotation. You also learned that v is tangent to the circular path every moment as shown in the sketch.

The equation ?=??v=rω, tells us that

Picture is below

a) Speed, v, of a rotating object could change even when angular speed, ?ω , is constant
b) Speed, v, of a rotating object remains same if angular speed, ?ω , is the same
c) r must be constant to use this equation
d) All in the list 
 
2)Multiple choice question

According to the sketch of the free body diagram of the car moving on a part of a circular path on a flat road, the centripetal force necessary to keep the car  on the path comes from

Free-body diagram is below

  
a) Static friction force
b) Kinetic friction force 
c) Weight of the car
d) Normal force on the car
e) Newton’s first law of motion 
 
 
Free-body
diagram
N
f = Fc = µN
N :
w/
Transcribed Image Text:Free-body diagram N f = Fc = µN N : w/
r
V
Transcribed Image Text:r V
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