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15
×
The distance and direction of an object from a reference point is called __________.
position
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15
×
What is the difference between force pairs and balanced forces?
Force pairs act on different objects, balanced forces act on the same object.
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baam
Lose 20 points!
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magnet
Take 20 points!
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fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
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15
×
How do you know if work is being done on an object?â
a force is applied and the object moves
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15
×
What is the relationship between kinetic energy and mass?
if the mass increases the kinetic energy increases; they are proportional
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15
×
What is the relationship between height and gravitational potential energy?
the greater the height the greater the gravitational potential energy
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15
×
What is the relationship between kinetic energy and speed?
if the speed increases, then the kinetic increases by the square of the speed
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thief
Give points!
5
10
15
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25
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gold
Win 50 points!
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gift
Win 25 points!
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banana
Go to last place!
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15
×
How is charging objects by induction different from charging by conduction?
induction does not require the objects to touch
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15
×
__________ is defined as the measure of distance divided by time.
speed
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lifesaver
Give 5 points!
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magnet
Take 25 points!
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gift
Win 25 points!
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banana
Go to last place!
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15
×
Why is rubber not used to make electrical wires?
because it is an insulator
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15
×
The weight of the object is 80 N. What is the normal force?
80 N
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20
×
Why does electric current not flow in an open circuit?
because the circuit is incomplete
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15
×
What is the total net force of balanced forces?
Zero
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15
×
What kind of forces act on an object that is accelerating?
unbalanced forces
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