Science 3 Flashcards

1
Q

what chart is this and what does it show

A

direct and linear
constant velocity

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2
Q

what chart is this and what does it show

A

direct exponential
it speeds up and slows down

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3
Q

what chart is it and what does it explain

A

inverse and linear
it goes backword at a steady speed

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4
Q

what chart is this and what does it show

A

inverse and exponential
going backwards and slowing down

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5
Q

anything that can cause motion is …

A

energy

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6
Q

Sir Isaac Newton

A

born in Lincolnshire england, sucked at farming, proved Galileo right, buried in Westminster Abbey, Robert Hook was mentor, universal gravitation, laws of motion

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7
Q

an object traveling with a velocity will continue to travel with that velocity until…

A

acted upon an outside force

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8
Q

what is intertia

A

mass of object (kg)

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9
Q

what is the law of intertia

A

an object with a velocity will continue going that velocity until acted upon an outside force

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10
Q

what is the net force of a system equal to

A

the mass of a moving object times its acceleration
Fnet=MA

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11
Q

for every force… (newtons third law)

A

there is an equal magnitude but opposite direction

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12
Q

what is motin defined as

A

a change in position with a respect to time and space

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13
Q

speed is a — quantitiy

A

scalar

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14
Q

velocity is a — quantity

A

vector

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15
Q

difference between scalar and vector

A

scalar does not care about direction, vector takes direction into account

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16
Q

scalar or vector

16mph

A

scalar

17
Q

scalar or vector

16mph south

A

vector

18
Q

you never use v=d/t when…

A

speeds up
slows down
stops
starts
changes direction

19
Q

henry cavendish

A

aspergers syndrome, expiremented with gases, first person to discover capacitance, the cavendish expirement

20
Q

gravity is a

A

push or pull depending on mass

21
Q

is mass a factor in acceleration due to gracity

A

no

22
Q

when you drop something….

A

Vi = 0
A = 9.8

23
Q

when you throw something…

A

vf = 0
a = -9.8
vi = greater than 0

24
Q

weight

A

the Fg
N
will change depending on place

25
Q

mass

A

the amount of matter in an object
Kg
constant depending on place