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forces > Key terms in forces > Flashcards

Key terms in forces Flashcards

1
Q

A force provided by water

A

Uplift

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2
Q

A force restricting movement in some way through contact

A

Friction

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3
Q

A non-contact force that acts between two masses

A

Gravity

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4
Q

The force that is pushing or pulling something

A

Driving force

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5
Q

Shaped to reduce resistance to motion from air or water

A

Streamlined

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6
Q

A stretching force

A

Tension

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7
Q

To squash into a smaller space

A

Compress

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8
Q

A force that acts when an object is in contact with a surface, air or water

A

Contact force

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9
Q

The force of an object moving through the air that causes it to slow down (also know as drag)

A

Air resistance

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10
Q

The force acting on an object moving through air or water that causes it to slow down

A

Drag force

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11
Q

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

A

Magnetic force

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12
Q

The force of the earth on an object due to its mass

A

Weight

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13
Q

The unit of a force symbol N

A

Newtons (N)

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14
Q

A piece of equipment used to measure weight in newtons

A

Newton meter

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15
Q

The support provided by a solid force like the floor

A

Reaction

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16
Q

A substance that reduces friction between surfaces when they rub together

A

Lubrication

17
Q

The law that states if you double the force of an object the extension will double

A

Hooke’s law

18
Q

The amount of matter an object is made up of

A

Mass

19
Q

_____ is perhaps the most famous scientist of ancient Greece. Born around 300 B.C he was a brilliant mathematician and inventor

A

Archimedes

20
Q

Forces are said to be balanced when there is zero ___ force.This will mean that an object is either stationary or moving at a constant speed

A

Resistant

21
Q

Forces are know as _____ quantities which means they have size and direction

A

Vector

forces (2 decks)

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