9 Week Flashcards

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0
Q

Distance vs displacement

A

Distance is how much ground, displacement is how far

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1
Q

A coordinate system is yes to represent and measure properties of objects

A

Frame of reference

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2
Q

Resultant vector

A

A vector sum of two or more vectors

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3
Q

The rate at which something is able to move

A

Speed

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4
Q

The distance traveled by the object divided by the duration of the interval

A

Average speed

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5
Q

The limit of the average speed as the duration of the time interval approaches zero

A

Instantaneous speed

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6
Q

The speed of something in a given direction

A

Velocity

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7
Q

The overall force acting on an object

A

Net force

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8
Q

3 types of friction

A

Rolling, sliding, static

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9
Q

The highest velocity attainable in a free fall

A

Projectile motion

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10
Q

Newton, Aristotle, Galileo

A

Aristotle bc, Galileo 1500s, Newton

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11
Q

Bodies continue at rest unless acted on by an unbalanced force

A

Inertia

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12
Q

Mass vs weight

A

Mass is the amount of matter something has, weight is the pull of gravity on an object

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13
Q

Greater mass =

A

Slower exelleration

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14
Q

Momentum=

A

Kg• m/s (kg) mass•velocity

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15
Q

4 forces

A

Electro magnetic, gravitational, strong nuclear, weak nuclear

16
Q

Newtons law of universal gravitation

A

Everything attracts everything

17
Q

Centripetal force

A

Makes an object follow a curved path