# Physics

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• Created by: xArChIez
• Created on: 24-05-17 23:02
Air Resistance
The force on an object moving through the air that causes it to slow down (also known as drag)
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Balanced
Forces acting on an object which are the same size but act in opposite directions.
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Compress
To squash into a smaller space
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Deform
To change shape
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Drag
The force acting on an object moving through air or water which causes it to slow down.
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Friction
A force that resists movement because of contact between two objects
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Gravity
A non contact force that acts between two masses
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Mass
The amount of matter an object is made of
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Newton
The unit of force, symbol n
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Newton Meter
A piece of equipment used to measure weight in newtons
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Non-Contact Force
A magnetic, electrostatic or gravitational that acts between objects not in contact
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Reaction
A support force provided by a solid surface like a floor.
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Unbalanced
Opposing forces on an object which are uneven
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Upthrust
A force on an object in a liquid or gas that pushes up.
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Weight
The amount of force which gravity pulls something towards earth
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Balanced Forces
Two forces that are the same strength and are working in the same direction
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Resultant Force
The overall effect of all forces on an object
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Streamlined
Something that has a smooth shape to reduce drag.
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Volume
The amount of space a shape takes up
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Density
A measure of mass per unit volume of a substance
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What is needed for electricity to flow?
A complete circuit
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What is Current?
The flow of charge
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What is current measured in?
Amps (A)
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How do you measure current?
An ammeter
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What do you call a material that allows electricity to flow through?
Electrical Conductor
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What do you call a material that doesn't allow electricity to flow through?
Electrical Insulator
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What is Earth's gravitational pull?
Earth pulls every 1kg with 10 newtons.
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## Other cards in this set

### Card 2

#### Front

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

Balanced

### Card 3

#### Front

To squash into a smaller space

To change shape

### Card 5

#### Front

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