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3354638
Physics
Descrição
gcse notes
Sem etiquetas
doppler effect
circuits
newtons 3rd law
opposite forces
Mapa Mental por
matt.dare
, atualizado more than 1 year ago
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matt.dare
mais de 8 anos atrás
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Resumo de Recurso
Physics
Newtons 3rd law
For every action there is a equal an opposite reaction
There is a force pushing down on the ground sending a rocket up
Forces between objects
A force can change the shape of an object
A boxer who punches a opponent with a force of 100n experiences a reverse force of 100n from his opponent.
Circuits
A fuse is a safety device that switches off an appliance if a current flowing through the live wire gets too big
A fuse has a rating in amps printed on the side
If the current flowing through a fuse goes above its rated value then the fuse blows
This breaks the circuit and disconnects the appliance
Doppler effect
When a fire engine drives past its siren is high pitched as it comes towards you and low pitch as it drives away - this is the doppler effect
Frequency decreases as it gets further away
Anexos de mídia
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