Physics Principles and Problems 2009

Section 4.1 : Force and Motion

Self-Check Quizzes

1
Jill pushes a box of books across the floor. What causes the box to move?
A)a force
B)friction
C)gravity
D)inertia
2
A magazine rests on top of a TV remote that is sitting on a table. Which is NOT exacting a force on the remote?
A)gravity
B)magazine
C)the table
D)your hand
3
A type of physical model that represents the forces acting on a system is called a(n) _____.
A)acceleration diagram
B)free-body diagram
C)force-body diagram
D)inertia diagram
4
An object is in equilibrium if the net force on the object is _____.
A)negative
B)neutral
C)positive
D)zero
5
In this image F1 is equal to 100 N and F2 is equal to 150 N. What is the net force?

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A)Fnet = 50 N
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B)Fnet = 50 N
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C)Fnet = 0 N
D)Fnet = 250 N
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