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Science Year 10 > Motion > Flashcards

Motion Flashcards

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1
Q

Newton’s 1st Law

A

Law of Motion - Law of Inertia

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2
Q

What does Newton’s first law state?

A

An object at rest will stay at rest, and an object in motion will stay in motion at constant velocity, unless acted upon by an unbalanced force.

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3
Q

Newton’s 2nd Law

A

Law of Acceleration

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4
Q

What does Newton’s 2nd Law state?

A

F = M x A

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5
Q

Newton’s 3rd Law

A

Action and reaction

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6
Q

What does Newton’s 3rd Law state?

A

For every action there is an equal and opposite reaction

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7
Q

Distance

A

how much ground an object has covered during its motion - the length of space between two points

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8
Q

Displacement

A

how far out of place is an object - the object’s overall change in position

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9
Q

How to calculate speed?

A

Distance / Time

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10
Q

How to calculate time?

A

Distance / Speed

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11
Q

How to calculate distance?

A

Speed x Time

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12
Q

Acceleration

A

increase in speed or rate - the rate of change of velocity

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13
Q

Deceleration

A

reduction in speed or rate

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14
Q

Rate of acceleration formula

A

final velocity - initial velocity ÷ time taken

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15
Q

Rate of deceleration formula

A

final velocity - initial velocity ÷ time taken (with a minus symbol)

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16
Q

What is the use of ticker timers?

A

to measure the speed of an object in motion

17
Q

What happens if the ticker timer objects speed decreases?

A

the dots will be closer

18
Q

What happens if the ticker timer objects speed increases?

A

the dots will be further apart

19
Q

What happens if the ticker timer objects speed remains constant?

A

the dots will all have a similar distance

20
Q

How do you calculate speed using a distance-time graph?

A

rise (distance) ÷ time (run)

21
Q

Mass

A

the amount of matter in a material

22
Q

Weight

A

a measure of how the force of gravity acts upon that mass

23
Q

What does gravity causes?

A

gravity causes a mass to have weight

24
Q

Weight formula

A

Weight = Mass x Gravity

25
Q

Mass units

A

kg

26
Q

Weight units

A

kg x m/s2 which = a newton (N)

27
Q

Gravity units

A

N/kg

28
Q

Force

A

the push or pull on an object with mass causes it to change its velocity

29
Q

Velocity

A

the speed of something in a given direction

30
Q

Gravity

A

the force that attracts a body towards the centre of the earth, or towards any other physical body having mass

Science Year 10 (6 decks)

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