21046016
Beschreibung
Quiz von sherri oberding, aktualisiert more than 1 year ago
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Erstellt von sherri oberding
vor fast 6 Jahre
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Frage 1
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When one object exerts a push or a pull on another object
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force
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velocity
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acceleration
Frage 2
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Force is measured in
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Newtons
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Benjamins
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pounds per square inch
Frage 3
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Force is described by its strength and the direction in which it acts
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- True
- False
Frage 4
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The cominbation of all forces acting on an object is called the [blank_start]net force[blank_end]
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net force
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total force
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combined force
Frage 5
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[blank_start]Unbalanced[blank_end] forces acting on an object result in a net force and cause a change in the object's motion.
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Unbalanced
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Net
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Total
Frage 6
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Equal forces exerted on an object in opposite directions result in [blank_start]balanced[blank_end] forces
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balanced
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net
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total
Frage 7
Frage
Balanced forces acting on an object cause a change in the object's motion
Antworten
- True
- False
Frage 8
Frage
You exert a force of 120N on a desk. Your friend exerts a force of 150N in the same direction. What net force to you and your friend exert on the desk?
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30 N
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270 N
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0 N
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190 N
Frage 9
Frage
What 2 factors determine the force of friction?
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how hard the surfaces push together, types of surfaces involved
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speed and acceleration
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smoothness of surface and the speed of the friction
Frage 10
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Type of friction that acts on objects that are not moving
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static friction
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sliding friction
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rolling friction
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fluid friction
Frage 11
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Type of friction that occurs when two sided surfaces slide over each other.
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static friction
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sliding friction
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rolling friction
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fluid friction
Frage 12
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Type of friction that occurs when an object rolls across a surface
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Rolling Friction
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Sliding Friction
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Static Friction
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Fluid Friction
Frage 13
Frage
Type of friction that occurs when an solid object moves through a liquid
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static friction
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fluid friction
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rolling friction
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sliding friction
Frage 14
Frage
Rolling friction is easier to overcome than sliding friction
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- True
- False
Frage 15
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A force that pulls objects towards each other
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force
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gravity
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mass
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friction
Frage 16
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What two factors affect gravitational attraction between objects?
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mass and distance
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weight and mass
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speed and mass
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weight and distance
Frage 17
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Weight = Mass
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- True
- False
Frage 18
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The force of gravity on a person or object at the surface of a planet
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weight
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mass
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force
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gravity
Frage 19
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The more mass an object has, the greater its gravitational force
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- True
- False
Frage 20
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The greater the distance between two objects, the greater the gravitational force between them
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- True
- False
Frage 21
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Mass varies with gravitational forces
Antworten
- True
- False
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