Physics AQA Unit 3

Key ideas for AQA Physics P3 section 1. Good luck.

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  • Created by: Emma l
  • Created on: 09-06-09 14:21
What is the shortest distance between the line of action of the force and the pivot also known as?
Moment
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The size of the moment is given by which equation?
M=F*D
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What do you have to mark the position of to find the centre of mass of a suspended object?
Plumbline
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What can be done to increase the stability of an object?
Increase the weight at the bottom of the object
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What else can be done to increase the stability of an object?
Have a wider base
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What provides the centripetal force for planets and satellites?
Gravitational force
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How can the force of gravity be increased?
Increase the mass of the object and decrease the distance
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If the distance between two objects is doubled the force becomes what of the original force?
1/4
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Satellites further away do what?
Orbit slower
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How long does a geostationary satellite take to complete one orbit?
24 hours
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What type of satellite enables radio and TV broadcasts?
Communication Satellites
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Other cards in this set

Card 2

Front

The size of the moment is given by which equation?

Back

M=F*D

Card 3

Front

What do you have to mark the position of to find the centre of mass of a suspended object?

Back

Preview of the front of card 3

Card 4

Front

What can be done to increase the stability of an object?

Back

Preview of the front of card 4

Card 5

Front

What else can be done to increase the stability of an object?

Back

Preview of the front of card 5
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