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Y7 Forces for Science > Forces > Flashcards

Forces 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 (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

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 shape 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 forces.

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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

A 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

A

A unit of mass, the symbol is kg.

18
Q

Lubrication

A

A substance that reduces friction between 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 a thing is made up of.

21
Q

Newton (unit)

A

The unit of force, the symbol is 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

Push

A

A type of force.

25
Q

Pull

A

A type of force.

26
Q

Reaction

A

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

27
Q

Resistive forces

A

Any force that acts to slow down a moving object. e.g. friction.

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.

32
Q

Weight

A

The force of the Earth on an object due to it’s mass.

Y7 Forces for Science (1 decks)

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