Science And Newtons Laws Flashcards

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0
Q

What is average speed??

A

Total distance over total time

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1
Q

What is speed??

A

Distance over time

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2
Q

What are the steps for solving an equation

A

1: what am i being asked to find or solve for
2: Write the formula (use your triangle)
3: plug in information given into the formula
4: Do the math! Circle your answer
5: LABEL

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3
Q

What is velocity

A

Speed in a given direction

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4
Q

The rate at which velocity changes

A

Acceleration

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5
Q

What are the thee ways acceleration changes

A

Increasing speed
Decreasing speed
Changing direction

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6
Q

What is the SI unit for acceleration

A

Meters per second per second

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7
Q

A push or pull

A

Force

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8
Q

What is the SI unit for force

A

Newton

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9
Q

The force that two surfaces exert on each other when they rub against each other

A

Friction

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10
Q

A force that pulls objects toward each other

A

Gravity

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11
Q

What are the two factors that affect the gravitational attraction between objects

A

1: Mass of the object
2: Distance between the objects

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12
Q

What happens when something has a larger mass than something else

A

The more mass an object has, the greater the gravitational force

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13
Q

What happens when two objects are far apart

A

Distance

The father apart two objects are the les the gravitational force between them

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14
Q

All objects fall at the same rate due to Gravity

A

All objects fall at the same rate due to Gravity

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15
Q

What causes a leaf to fall more slowly than an acorn

A

Air Resistance

16
Q

Newtons Laws:

What is Newtons 1st Law

A

An object in motion will stay in motion, an object at rest will stay at rest unless acted on by an outside force

17
Q

The tendency of an object to resist a change in motion

A

Inertia

18
Q

More mass= what

A

More Inertia

19
Q

Force = what

A

Mass • acceleratin

20
Q

What unit of measurement is used for force

A

Newtons

21
Q

What is Newton’s second law

A

Acceleration depends on the objects mass and force acting on the object .