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Science - Forces 26th Jan. 2021 Home Learning. > Science - Forces and Speed > Flashcards

Science - Forces and Speed Flashcards

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1
Q

Air resistance

A

The force on an object moving through the air that causes it to slow down

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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

the 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 objects

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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 two 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

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

A

a unit of mass, symbol, kg

18
Q

lubrication

A

a substance that reduces friction between two surfaces when they rub together

19
Q

magnetic force

A

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

20
Q

mass

A

the amount of matter (stuff) a thing is made 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 newtons

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 force that acts to slow down a moving object

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 which 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 n an object due to its mass

Science - Forces 26th Jan. 2021 Home Learning. (1 decks)

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