1446942
Frage 1
Frage
Mass is a measure of the force of gravity acting on an object while weight is the measure of the inertia of an object.
Antworten
- True
- False
Frage 2
Frage
Force =
Antworten
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mass x velocity
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acceleration x velocity
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mass x acceleration
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43x 21N
Frage 3
Frage
Rolling friction is less than static friction, which is more that sliding friciton
Antworten
- True
- False
Frage 4
Frage
Fluid friciton acting on an object moving through the air is known as what?
Antworten
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air resistance
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weight
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momentum
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mass
Frage 5
Frage
When you are swimming, you push through the water, in other words you are applying force to the water, and the water is applying the same amount of force to you. This is an example of fluid friction..
Antworten
- True
- False
Frage 6
Frage
When a ball falls from the roof of a building, it accelerates until it stops accelerating. Why?
Antworten
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It hit the ground
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it reached its terminal velocity
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projectile motion
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gravity stopped
Frage 7
Frage
Why does a projectile follow a curved path?
Antworten
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two balls fall with different acceleration
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Gravity pulls the object down
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the combination of a vi and downward velocity causes the ball to follow a curved path
Frage 8
Frage
Mass can effect acceleration
Antworten
- True
- False
Frage 9
Frage
Which if the following are vectors?
Antworten
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velocity
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force
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weight
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gravity
Frage 10
Frage
Weight =
Antworten
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mass x air resistance
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mass x projectile motion
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mass x acceleration due to gravity
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kg x m/s
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