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15
×
What is an axle?
The shaft at the center of the wheel.
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15
×
What is a chassis?
A frame upon which a vehicle is built.
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banana
Go to last place!
Oops!
×
gift
Win 25 points!
Okay!
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gift
Win 25 points!
Okay!
×
lifesaver
Give 20 points!
Oops!
20
×
How is potential energy created in a homemade catapult using an elastic band?
As you twist the elastic you are exerting energy. This energy is stored in the twisted elastic.
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banana
Go to last place!
Oops!
×
shark
Other team loses 15 points!
Okay!
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gift
Win 25 points!
Okay!
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thief
Give points!
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25
25
×
What are the 2 main points stated in Newton's Second Law of Motion?
The greater the force on an object, the greater its change in speed or direction. The heavier an object, the less its change in speed or direction.
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20
×
What kind of energy changes motion/position of an object?
Mechanical Energy
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20
×
What is an efficient machine?
An efficient machine uses the LEAST amount of energy possible
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baam
Lose 25 points!
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shark
Other team loses 25 points!
Okay!
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shark
Other team loses 15 points!
Okay!
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thief
Give points!
5
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25
20
×
What are 3 ways to reduce friction?
1.Use smooth and hard surfaces. 2. Minimize surface contact. 3. Stabilize moving parts. 4. Reduce tension at moving parts. 5. Use lubricant.
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15
×
A device for doing work in which a force which is applied at one point to overcome a force at another point is called...
A machine!
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monster
Reset all scores!
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×
gift
Win 20 points!
Okay!
×
gift
Win 15 points!
Okay!
×
banana
Go to last place!
Oops!
15
×
The steeper the angle of an inclined plane the __________ the vehicle will move.
Faster
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20
×
An object will stay at rest or keep moving unless...
...something interrupts it.
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15
×
What is potential energy?
Energy which is stored by an object.
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15
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In order for your vehicle or device to move using the least amount of effort you need to reduce __________________.
Friction
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