2891798
Beschreibung
Quiz von Nicholas Weiss, aktualisiert more than 1 year ago
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Erstellt von Nicholas Weiss
vor etwa 9 Jahre
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Frage 1
Frage
What is the unit for force?
Antworten
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Newtons
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Joules
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Watts
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kg
Frage 2
Frage
What are the units for energy?
Antworten
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Joule
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Watts
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Newtons
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Pounds
Frage 3
Frage
Weight is the same thing as mass.
Antworten
- True
- False
Frage 4
Frage
The coefficient of friction is measured in________________.
Antworten
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N
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kg
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Joules
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There are no units!
Frage 5
Frage
When you double the speed of the object you double its_____________________
Antworten
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Kinetic Energy
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Potential Energy
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Momentum
Frage 6
Frage
145.000 has_______significant figures
Antworten
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3
-
4
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5
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6
Frage 7
Frage
The graph displays an objects position vs. time. During what time interval does the object have an acceleration?
Antworten
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A
-
B
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C
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D
Frage 8
Frage
The graph displays an objects position vs. time. During what time interval is the object not moving?
Antworten
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A
-
B
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C
-
D
Frage 9
Frage
When does the object have a constant negative velocity?
Antworten
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A
-
B
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C
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D
Frage 10
Frage
Momentum is always conserved for a single object.
Antworten
- True
- False
Frage 11
Frage
Total kinetic energy is always conserved for inelastic collisions.
Antworten
- True
- False
Frage 12
Frage
Total kinetic energy is conserved during elastic collisions.
Antworten
- True
- False
Frage 13
Frage
What determines the force of static friction acting on an object? (check all that apply)
Antworten
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The coefficient of friction between the surfaces.
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The normal force of the surface
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The speed of the object
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The energy of the object
Frage 14
Frage
When an projectile reaches its peak flight its___________________________. (check more than one box)
Antworten
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Velocity is 0m/s
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Acceleration is 0m/s/s
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Vertical Velocity is 0m/s
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Horizontal Velocity is 0m/s
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Acceleration is -9.81m/s/s
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Force is 0N
Frage 15
Frage
When an object is accelerating we can use the d=rt formula to solve problems involving that object.
Antworten
- True
- False
Frage 16
Frage
A projectiles vertical speed is constant (assuming no air resistance).
Antworten
- True
- False
Frage 17
Frage
A projectile's horizontal speed (assuming no air resistance) is constant.
Antworten
- True
- False
Frage 18
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If the Earth somehow were to shrink to half of its size (but kept the same mass), what would happen to our weight (think universal law of gravity)
Antworten
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It would double
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It would be cut in half
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It would quadruple
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It would be 1/4 the original
Frage 19
Frage
Centripetal acceleration acts _____________________.
Antworten
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Tangent to the circular path.
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Away from the center
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To the center
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Along the path of the object in motion
Frage 20
Frage
Linear speed of a rotating object acts____________________.
Antworten
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To the center of motion.
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Away from the center of motion
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Tangential to the circular path
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Along the circular path
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