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10
×
a ball rolling off a table is an example of ________ energy being converted to ______ energy.
PE to KE
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×
lifesaver
Give 10 points!
Oops!
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shark
Other team loses 15 points!
Okay!
×
gift
Win 25 points!
Okay!
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thief
Give points!
5
10
15
20
25
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eraser
Reset score!
Oops!
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shark
Other team loses 20 points!
Okay!
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gift
Win 5 points!
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banana
Go to last place!
Oops!
20
×
Net force?
17N east/right
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5
×
Which is an example of KE? rock on ground, rock skipping on water, rock in my pocket
rock skipping on water
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5
×
Which is an example of a potential energy? rolling wheel, spinning carousel, compressed slinky
slinky
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20
×
If I kick a 20g ball and it accelerates at 3m/s^2, what force did I kick the ball with?
20 x 3 = 60N
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5
×
The hockey puck is at rest until the hockey stick applies a force. This shows which law?
1st
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5
×
All the forces acting on an object
net force
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5
×
You need a force to accelerate an object that has mass
2nd
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25
×
If an airplane accelerates at 2 m/s^2 and it's engines are applying 10000 N of force, what is the airplane's mass?
m = F/a 10000/2 = 5000 g
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boom
Lose 50 points!
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shark
Other team loses 5 points!
Okay!
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gift
Win 25 points!
Okay!
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banana
Go to last place!
Oops!
10
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All forces act in pairs. There is always an action force and a _________ force.
reaction
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15
×
This image is an example of which Law of Motion?
3rd
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25
×
How fast would a 3g toy car accelerate if it was pushed wit 30N of force?
a = F/m 30/3 = 10 m/s^2
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15
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The force that opposes the motion of objects. For example, this force pushes back on you when you walk forward
friction
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