An object at rest will stay at rest and an object in motion will stay in motion with the same speed and direction unless acted upon by an unbalanced force.
inertia
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10
.
Box 4
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15
The amount of matter that an object is made of is known as________.
mass
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thief
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5
10
15
20
25
fairy
Take points!
5
10
15
20
25
gift
Win 5 points!
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lifesaver
Give 20 points!
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lifesaver
Give 25 points!
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star
Double points!
Okay!
gift
Win 25 points!
Okay!
baam
Lose 10 points!
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10
Does ice have more or less friction than sand?
less
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20
How does the law of inertia affect the passengers on a train that is suddenly slowing down?
They are abruptly pushed forward as their body wants to continue at the same speed as the train was traveling.
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10
.
D
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10
True or False? A computer sitting on a table is an example of a balanced force.
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10
What is the rubbing force that creates heat, and slows down an object?
friction
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10
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B
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10
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A
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15
forces acting in EQUAL and OPPOSITE directions. Creating NO MOTION.
balanced force
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10
The greater the _____ of an object, the more force it will take to accelerate the object.