GCSE Physics - AQA Unit 3

Made using the CGP books!! theyre great! :)

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What is the turning effect of a force??
Moment
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What is the equation for moment?
Moment= F*PD
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Circular Motion is...
movement of an object around an axis in a circle
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The force that keeps centripetal force on planets in orbit is:
Gravity
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Low Polar Satellites are used for:
Weather and spying.
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Angle of Incidence = angle of ?
Reflection
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Magnifying glasses use:
Convex lens
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A image formed on photographic film is:
Real
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Sound is made by:
Vibrations
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Humans hear in the range:
20-20 000Hz
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Ultrasound is...
to high pitched for humans
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Generators:
turn a coil to create current
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Transformers change the voltage on:
AC
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They work by:
Electromagnetic Induction
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A second generation star can be detected from:
heavier elements from supernova
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Other cards in this set

Card 2

Front

What is the equation for moment?

Back

Moment= F*PD

Card 3

Front

Circular Motion is...

Back

Preview of the front of card 3

Card 4

Front

The force that keeps centripetal force on planets in orbit is:

Back

Preview of the front of card 4

Card 5

Front

Low Polar Satellites are used for:

Back

Preview of the front of card 5
View more cards

Comments

Hannah

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94%

Isn't it a white dwarf not a black dwarf? Great quiz!

Harshil

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Hannah wrote:i

94%

Isn't it a white dwarf not a black dwarf? Great quiz!

No pretty sure its a black dwarf. Thats when it loses its light completely. 

Jonny

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Isn't a supernova caused by the the star collapsing and then exploding, rather than by the star expanding?

Tom Munday

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Nothing light completly unless its a black hole. Quite a difference between a black hole and a black dwarf!!

Bethan Senior

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I thought a supernova is caused because there is less and less fusion happening so radiation pressure is able to expand and cause the star to explode. As for the white dwarf/black dwarf, the black dwarf is the final stage it comes after the white dwarf and occurs when the "light completely fades" which is what it says in the CGP books :) but great quiz

Rachel Hindley

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I swear stars is in unit 2 not 3?

Sophie :)

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Rachel wrote: I swear stars is in unit 2 not 3?

They change the syllabuses slightly each year...they moved stars from 3 to 2 this year :)

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