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Science Flashcards

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1
Q

Newtons first law of motion

A

an object in motion stays in motion and an object at rest stays at rest unless acted upon by an outside force

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2
Q

Newtons second law of motion

A

force=mass x acceleration

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3
Q

newtons third law of motion

A

for every action (force) in nature there is an equal and opposite reaction

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4
Q

what is speed

A

the rate at which an object moves

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5
Q

what does speed depend on

A

distance and the time it takes to travel

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6
Q

what is the formula for speed

A

distance divided by timew

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7
Q

what is the formula for average speed

A

total distance/total time

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8
Q

what is velocity

A

speed with a direction

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9
Q

what is acceleration

A

the rate at which velocity changes

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10
Q

what is the formula for velocity

A

distance/time with a north east south or west

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11
Q

what is the formula for acceleration

A

final velocity-initial velocity divided by time

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12
Q

what is units for acceleration

A

meter/sec/sec with direction or m/s/s

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13
Q

what does momentum depend on

A

mass and velocitu

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14
Q

what is the formula for momentum

A

mass x velocity

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15
Q

what is the symbol for p

A

lowercase p

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16
Q

what is the unit for momemtum

A

unitkgm/s

17
Q

what is inertia

A

tendency of all objects to resist a change in motion

18
Q

what is a force

A

a push or pull

19
Q

what is the types of friction forces

A

static
kinetic
drag
frictio

20
Q

what is static friction

A

a force that resist the start of sliding motion between 2 surfaces that are touching

21
Q

what is kinetic friction

A

a force that resists that movement of 2 surfaces that are touching and moving relative to eachother

22
Q

what is drag friction

A

a force that opposes trhe motion of a object in a fluidwa

23
Q

what is friction

A

a force that opposes motionx

24
Q

what is gravity

A

a non contact force of attraction between objects due to their mass

25
Q

what is free fall

A

gravtiy is pulling

26
Q
A

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