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Year 9 Science > My Bike > Flashcards

My Bike Flashcards

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0
Q

Balanced Forces

A

When two forces acting on an object are equal in size but act in opposite directions.

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1
Q

Acceleration

A

Is the measurement of change in an object’s velocity.

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2
Q

Attract

A

Drawn together by physical force

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3
Q

Distance

A

The space between to things

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4
Q

Deceleration

A

To slow down the velocity/speed.

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5
Q

Energy

A

The capacity of a physical system to do work.

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6
Q

Electrostatic Force

A

The forces between particles caused by their electric charges.

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7
Q

Force

A

Strength or power on an object

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8
Q

Force Diagram

A

a simplified drawing showing the appearance, structure, or workings of something

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9
Q

Force Field

A

A region of space (a vector field) in which a force operates; contains lines of force; a field of force

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10
Q

Friction Force

A

The rubbing of one object or surface against another.

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11
Q

Gradient

A

an inclined part of a road or railway; a slope

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12
Q

Gravity

A

The natural attraction between physical bodies, especially when one of the bodies is a celestial body, such as the earth

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13
Q

Lubricant

A

a substance, such as oil or grease, used for minimizing friction

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14
Q

Magnetism

A

The force between magnets

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15
Q

Mass

A

Grams

16
Q

Newton

A

used when measuring force

17
Q

North pole

A

the pole of a magnet that seeks the earth’s north magnetic pole.

18
Q

Reaction time

A

the interval between stimulation and response

19
Q

Repel

A

to resist effectively

20
Q

S.L units

A

Seven different units. temperature, time, length, mass, luminous intensity, amount of substance and electric current

21
Q

South pole

A

the pole of a magnet that seeks the earth’s south magnetic pole.

22
Q

Speed

A

Metres per second

23
Q

Ticker time

A

When you work out the speed of an object you need to know how far it goes in a certain time. The distance is fairly easy to find, use a ruler, but if the object is moving quickly the time it takes will be hard to measure. The ticker timer makes dots on a paper tape every fiftieth of a second.

24
Q

Time

A

a point of time as measured in hours and minutes past midnight or noon

25
Q

Unbalanced force

A

Uneven forces

26
Q

Velocity

A

the speed of something in a given direction

Year 9 Science (1 decks)

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