Describing Motion (AQA GCSE Physics): Flashcards
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Practise the cards
13 cards from this deck
Why does velocity change in circular motion at constant speed?
Why does velocity change in circular motion at constant speed?
Direction continuously changes; velocity is a vector
Force that keeps object moving in circular path
Force that keeps object moving in circular path
Centripetal force
Direction of centripetal force
Direction of centripetal force
Towards the centre of the circle
What provides centripetal force for a conker on a string
What provides centripetal force for a conker on a string
Tension in the string
What provides centripetal force for a car on a roundabout
What provides centripetal force for a car on a roundabout
Friction between road and tyres
What provides centripetal force for a satellite in orbit
What provides centripetal force for a satellite in orbit
Gravitational pull of the Earth
Path taken by satellites in polar orbits
Path taken by satellites in polar orbits
Over the Earth's poles
Altitude of polar orbit satellites above sea level
Altitude of polar orbit satellites above sea level
km
Speed of polar orbit satellites
Speed of polar orbit satellites
Nearly m/s
Orbital period of geostationary satellites
Orbital period of geostationary satellites
hours
Altitude of geostationary satellites
Altitude of geostationary satellites
Around km
Speed of geostationary satellites
Speed of geostationary satellites
About m/s
How geostationary satellites appear from the ground
How geostationary satellites appear from the ground
Stay in the same spot in the sky