Physics Principles and Problems 2009

Section 8.1 : Describing Rotational Motion

Self-Check Quizzes

1
Which is defined as ½ π of a revolution?
A)circumference
B)diameter
C)radian
D)radius
2
Angular _____ is equal to the change in angular velocity divided by the time required to make that change.
A)acceleration
B)displacement
C)rotation
D)velocity
3
Angular displacement is the change in an object's _____ as it rotates.
A)acceleration
B)angle
C)orbit
D)velocity
4
A mass that rotates around its own axis is called a(n) _____.
A)orbiter
B)projectile
C)rigid rotating object
D)satellite
5
In this illustration, if the radius of the CD is 6.0 cm and the angular velocity is 5.0 rad/s, what is the linear displacement of a point on the edge in 2.0 s?

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807220/617906/au.JPG','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (9.0K)</a>
A)0.30 m
B)0.60 m
C)3.8 m
D)60 m
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe