Motion is the process of changing position. What does position mean?
Difference in where something started to where it ended up.
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15
A car rolls down a ramp. The car slows down because friction applies a balanced or unbalanced force at the end of the ramp?
Unbalanced
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15
A ball rolls down a ramp. Does friction eventually slow down the ball's speed?
Yes
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seesaw
Swap points!
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seesaw
Swap points!
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shark
Other team loses 25 points!
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lifesaver
Give 20 points!
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15
The farther an object is from Earth, the (greater or less) the gravitational attraction to Earth. Bonus points for the team that can draw this on a graph.
Less
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15
What is speed?
The time it takes something to travel a distance.
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seesaw
Swap points!
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fairy
Take points!
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25
fairy
Take points!
5
10
15
20
25
lifesaver
Give 10 points!
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15
If speed = distance/time, What is the speed of a ball that travelled 20 cm in 10 seconds.
2 cm/sec
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15
If you cut a magnet in half, what will happen to the two pieces?
Each new piece will have both a north and a south pole.
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15
What two things can effect the force of a magnet?
mass and distance
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seesaw
Swap points!
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star
Double points!
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rocket
Go to first place!
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lifesaver
Give 10 points!
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15
The farther you move magnets away from each other, the ___________ the magnetic force.
Less
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lifesaver
Give 25 points!
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rocket
Go to first place!
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gift
Win 20 points!
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baam
Lose 20 points!
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15
Mass depends on ________________________
The amount of matter in an object
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15
What is Newton's 3rd Law?
Every action has an equal and opposite reaction
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15
Elmo applies a force of 20 N to the left to a box. Grover applies a force of 50 N to the right on the same box. Describe the motion of the crate. (Force and direction)