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8B1 Science > Activate 1 - Chapter P1 - Forces > Flashcards

Activate 1 - Chapter P1 - Forces Flashcards

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Biology 101 flashcards
1
Q

Deform

A

To change shape

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2
Q

Stretch

A

An object can be stretched if you exert a force on it.

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3
Q

Compress

A

To squash into smaller places

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4
Q

Reaction

A

The support force provided by a solid surface like a floor.

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5
Q

Extension

A

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

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6
Q

Tension

A

A stretching force.

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7
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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8
Q

Hooke’s Law

A

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

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9
Q

Magnetic Force

A

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

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10
Q

Electrostatic force

A

The force acting between two charged objects

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11
Q

Field

A

A region where something feels a force.

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12
Q

Weight

A

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

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13
Q

Mass

A

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

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14
Q

Kilogram

A

A unit of mass (symbol kg)

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15
Q

Balanced

A

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

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16
Q

Equilibrium

A

Balanced

17
Q

Unbalanced

A

Opposing forces on an object that are unequal.

18
Q

Driving Force

A

The force that is pushing or pulling something.

19
Q

Resistive Forces

A

Any force that acts to slow down a moving object.

20
Q

Push

A

A type of force

21
Q

Pull

A

A type of force

22
Q

Contact force

A

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

23
Q

Non-Contact

A

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

24
Q

Interaction Pair

A

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

25
Q

Newtonmeter

A

A piece of equipment used to measure weight in newtons.

26
Q

Newton

A

The unit of force (symbol N)

27
Q

Friction

A

The force that resists movement because of contact between surfaces.

28
Q

Lubrication

A

A substance that reduces friction between surfaces when they rub together.

29
Q

Water resistance

A

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

30
Q

Air resistance

A

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

31
Q

Drag force

A

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

32
Q

Streamlined

A

Shaped to reduce resistance to motion from air or water.

33
Q

Gravity

A

A non-contact force that acts between two masses.

8B1 Science (14 decks)

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