2891798
Beschreibung
Quiz von Nicholas Weiss, aktualisiert more than 1 year ago
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Erstellt von Nicholas Weiss
vor mehr als 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
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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
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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
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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
Frage
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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