Physics Principles and Problems 2009

Section 2.1 : Picturing Motion

Self-Check Quizzes

1
What must you be able to answer to describe an object's motion?
A)who and what
B)what and how
C)when and where
D)where and who
2
An object can change position along the path of all of these EXCEPT _____.
A)back-and-forth
B)circle
C)straight line
D)dotted line
3
A motion diagram is a series of images of a moving object that records it position after _____.
A)1/30 s
B)it comes to rest
C)equal time intervals
D)an acceleration
4
Replacing an object in a motion diagram with a single point is called the _____.
A)alternative model
B)frame differential
C)operational definition
D)particle model
5
The vector that represents the sum of two vectors is called the _____
A)direction
B)displacement
C)resultant
D)speed
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