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Forces and Speed Physics Yr 7 > Key Words > Flashcards

Key Words Flashcards

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1
Q

Balanced

A

Forces acting on an object that are the same size but act in opposite directions

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2
Q

Compress

A

To squash into a smaller space

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3
Q

Contact force

A

A force that acts when it is in contact with surface, air or water

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4
Q

Deform

A

To change shape

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5
Q

Driving force

A

The force that is pushing or pulling something

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6
Q

Elastic limit

A

The point beyond which a spring will not return to it’s original length when the force is removed

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7
Q

Electrostatic force

A

The force acting between two charged objects

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8
Q

Equilibrium

A

Balanced

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9
Q

Extension

A

The amount by which an object gets longer when force is applied

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10
Q

Field

A

A region where something feels force

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11
Q

Gravity

A

A none-contact force that acts between two masses

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12
Q

Hooke’s law

A

The law that says if you double the force on an object the extension will double

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13
Q

Interaction pair

A

When two objects interact there is a force each one that is the same size but in opposing direction

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14
Q

Lubrication

A

A substance that reduces friction between surfaces when they rub together

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15
Q

Magnetic force

A

The force between two magnets, or a magnet and a magnetic material

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16
Q

Newton-meter

A

A piece of equipment used the to measure weight in newtons

17
Q

Non-contact force

A

A magnetic, electrostatic gravitation force that acts between objects not in conract

18
Q

Reaction

A

The support force provided by a solid surface like a floor

19
Q

Resistive forces

A

Any forces that act to slow down a moving object

20
Q

Streamlined

A

Shaped to reduce resistance to motion from air to water

21
Q

Tension

A

A stretching force

22
Q

Unbalanced

A

Opposing Forces on an object that are unequal

23
Q

Water resistance

A

The forces on an object moving through water that causes to slow down (also known as drag)

24
Q

Weight

A

The force of the Earth on an object due to it’s mass

Forces and Speed Physics Yr 7 (9 decks)

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