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Science > Forces Revision > Flashcards

Forces Revision Flashcards

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1
Q

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

A

Air resistance / Drag

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2
Q

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

A

Weight

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3
Q

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

A

Water resistance / Drag

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4
Q

Opposing forces on an object that are equal

A

Unbalanced

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5
Q

A stretching force

A

Tension

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6
Q

Shaped to reduce resistance to motion from air or water

A

Streamlined

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7
Q

The force that pushes you up from the floor

A

Reaction

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8
Q

A force moving an object away from an object

A

Push

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9
Q

An object moving an object towards it

A

Pull

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10
Q

A piece of equipment used to measure weight in nwewtons

A

Newton meter

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11
Q

The unit of force

A

Newton (N)

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12
Q

The amount of matter / stuff a thing is made up of

A

Mass

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13
Q

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

A

Magnetic force

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14
Q

A substance that reduces friction between surfaces when they rub together

A

Lubrication

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15
Q

A unit of mass

A

Kilograms (kg)

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16
Q

A non-contact force that acts between two masses

A

Gravity

17
Q

The force that resists movement because of contact between two surfaces

A

Friction

18
Q

A region where something feels a force

A

Field

19
Q

The amount by which a spring will not return to its original length when the force is removed

A

Elastic limit

20
Q

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

A

Interaction pair

21
Q

The force acting between two charged objects

A

Electrostatic force

22
Q

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

A

Extension

23
Q

To change shape

A

Deform

24
Q

The force that is pulling or pushing something

A

Driving force

25
Q

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

A

Contact force

26
Q

To squash into smaller spaces

A

Compress

27
Q

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

A

Balanced

28
Q

A push caused by an engine

A

Thrust

29
Q

A force pushing upwards on an object in a liquid

A

Upthrust

30
Q

Mass x Gravitational Field strength

A

Weight

31
Q

Volume x Density

A

Mass

32
Q

Characteristics of a streamlined shape

A

Rounded front, Slowly tapering tail, Smooth shapewith no projections

33
Q

Adding answers together and dividing it by the amount of answers

A

Average

34
Q

Units of time

A

Seconds, MInutes and Hours

35
Q

Units of distance

A

Centimetres, Metres and Kilometres

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