Weight and circular motion (Edexcel GCSE Physics Combined Science): Flashcards
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Practise the cards
15 cards from this deck
What type of quantity is mass?
What type of quantity is mass?
Scalar quantity
What does mass measure?
What does mass measure?
Amount of matter in an object
Unit for mass
Unit for mass
Kilograms (kg)
Mass and location
Mass and location
Same everywhere in universe
What type of quantity is weight?
What type of quantity is weight?
Force
Unit for weight
Unit for weight
Newtons (N)
What does weight depend on?
What does weight depend on?
Gravitational field strength
Instrument for measuring weight
Instrument for measuring weight
Calibrated spring balance or Newton meter
What changes in circular motion at constant speed?
What changes in circular motion at constant speed?
Direction and velocity
Force keeping object in circular path
Force keeping object in circular path
Centripetal force
Direction of centripetal force
Direction of centripetal force
Towards centre of circle
Without centripetal force, object moves...
Without centripetal force, object moves...
In a straight line
Centripetal force: car on bend
Centripetal force: car on bend
Friction between tyres and road
Centripetal force: planet orbiting Sun
Centripetal force: planet orbiting Sun
Gravitational force
Centripetal force: object on string
Centripetal force: object on string
Tension in string