Team 1
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Team 2
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Teams
Name
Score
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baam
Lose 25 points!
Oops!
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magnet
Take 10 points!
Okay!
×
shark
Other team loses 20 points!
Okay!
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lifesaver
Give 5 points!
Oops!
15
×
An object is moving in a COUNTERCLOCKWISE circle at constant speed. What is the direction of the net force at point B?
left (towards the center)
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20
×
What do you know about the direction of the net force and acceleration?
they are in the same direction, in the case of uniform circular motion they are towards the center of the curved/circular path
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20
×
In uniform circular motion, the velocity is always ___________ to the circular path.
tangent (tangential velocity) or perpendicular
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15
×
What is acceleration?
rate of change of velocity
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25
×
What force is greater the normal force or the gravitational force? Why?
normal force because this is the force directed towards the center of the curved path
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15
×
An object is moving in a COUNTERCLOCKWISE circle at constant speed. What is the direction of the velocity vector at point B?
up
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15
×
What direction is the net force on the skateboarder?
up (towards the center)
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25
×
What force is greater the normal force or the gravitational force? Why?
gravitational force because this is the force directed towards the center of the curved path
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×
seesaw
Swap points!
Oops!
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rocket
Go to first place!
Okay!
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rocket
Go to first place!
Okay!
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lifesaver
Give 15 points!
Oops!
25
×
Why do you feel an outward force when your in a car and the driver makes a quick turn?
because your body wants to continue with the same speed and the same direction it was going prior to the turn, INERTIA
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×
boom
Lose 50 points!
Oops!
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seesaw
Swap points!
Okay!
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gift
Win 10 points!
Okay!
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thief
Give points!
5
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15
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25
15
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What force is causing the centripetal acceleration and centripetal force? *hint: what force is directed towards the center of the circular paht
normal force
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5
×
Is velocity a scalar or a vector?
vector
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5
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Is speed a scalar or a vector?
scalar
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15
×
T/F: If a car turns at a constant speed there is an acceleration.
true
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×
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