Physics Principles and Problems 2009

Section 4.2 : Using Newton’s Laws

Self-Check Quizzes

1
This image is an example of a _____.
<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807220/617906/an.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"> (37.0K)</a>
A)force-system diagram
B)free-body diagram
C)scale model
D)time-displacement model
2
An object's _____ is the force an object experiences as a result of all the forces acting on it, giving the object acceleration.
A)apparent weight
B)force weight
C)mass
D)total weight
3
If there are no contact forces pushing up on an object and the object's apparent weight is zero, it is said to be _____.
A)at terminal velocity
B)in equilibrium
C)small
D)weightless
4
The force exerted by a fluid on an object moving through the fluid is called the _____.
A)apparent weight
B)drag force
C)net force
D)terminal velocity
5
Which of these is true?
A)Weight can change when acceleration due to gravity changes.
B)Weight is a measure of inertia.
C)Mass is a force.
D)Weight is the measure of the amount of matter in an object.
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