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SCIENCE > Forces And Speed Key Words > Flashcards

Forces And Speed Key Words Flashcards

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Biology 101 flashcards
1
Q

Air Resistance

A

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

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2
Q

Balanced

A

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

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3
Q

Compress

A

To squash into a smaller space.

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4
Q

Contact force.

A

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

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5
Q

Deform

A

To change shape.

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6
Q

Drag force

A

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

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7
Q

Driving force

A

The force that is pushing or pulling something.

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8
Q

Elastic limit

A

The point beyond which a spring will not return to its original length when the force is removed.

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9
Q

Electrostatic force

A

The force acting between two charged points

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10
Q

Equilibrium

A

Balanced.

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11
Q

Extension

A

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

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12
Q

Field

A

A region where something feels a force.

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13
Q

Friction

A

The force that resists movement because of contact between surfaces

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14
Q

Gravity

A

A non-contact force that acts between two masses

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15
Q

Hooke’s law

A

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

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16
Q

Interaction pair

A

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

17
Q

Kilogram (Kg)

A

A unit of mass, symbol kg

18
Q

Lubrication

A

A substance that reduces friction between surfaces when they rub together

19
Q

Magnetic force

A

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

20
Q

Mass

A

The amount of matter (stuff) a thing is made up of

21
Q

Newton (N)

A

The unit of force, symbol (N)

22
Q

Newton meter

A

A piece of equipment used to measure weight in Newton’s

23
Q

Non-contact force

A

A magnetic, electrostatic, or gravitational force that acts between objects not in contact

24
Q

Pull

A

A type of force

25
Q

Push

A

A type of force

26
Q

Reaction

A

The support force provided by a solid surface like a floor

27
Q

Resistive forces

A

Any forces that act to slow down a moving objects

28
Q

Streamlined

A

Shaped to reduce resistance to motion from air or water

29
Q

Tension

A

A stretching force

30
Q

Unbalanced

A

Opposing forces on an object that are unequal

31
Q

Water resistance

A

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

32
Q

Weight

A

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

SCIENCE (4 decks)

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