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15
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What is balanced & unbalanced force?
Balanced force is when the net force is 0N. Unbalanced force is when the net force is anything BESIDES 0N
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15
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What is free fall?
Any motion of an object where gravity is the only force acting upon it.
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thief
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25
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seesaw
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gift
Win 5 points!
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thief
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10
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What is the value and variable (letter) we use to represent gravity?
9.8 m/s2 & g or a
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10
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What is an example of something that is NOT force?
.
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10
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What is the difference between mass and weight?
Mass is the amount of matter in a material. Weight is a measure of how the force of gravity acts upon that mass.
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10
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What is friction?
Opposing motion between two surfaces
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10
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What is static friction?
The frictional force resists force that is applied to an object, and the object remains at rest until the force of static friction is overcome.
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20
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What is terminal velocity?
The constant speed that a freely falling object eventually reaches when air resistance prevents further acceleration.
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10
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What is kinetic friction?
A force that acts between moving surfaces
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15
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What is the net force?
1398N
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lifesaver
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star
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gift
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thief
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20
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If a ball is dropped off a building, what will the velocity be after 6 seconds, ignoring air resistance?
58.8m/s2
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15
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What is force?
A push or pull upon an object resulting from the object's interaction with another object.
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25
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If a ball is dropped off of a building and and falls for 7 seconds, what is the displacement (how far did it travel)?
240.1m
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heart
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shark
Other team loses 25 points!
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rocket
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lifesaver
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