Weight, Mass & Gravity (AQA GCSE Physics Combined Science): Flashcards
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What is weight?
What is weight?
Force acting on an object due to gravity (measured in N)
Does weight depend on location?
Does weight depend on location?
Yes, it depends on gravitational field strength
Relationship between weight and mass
Relationship between weight and mass
Directly proportional
What is mass?
What is mass?
How much matter an object has
Is mass scalar or vector?
Is mass scalar or vector?
Scalar quantity
Does mass depend on location?
Does mass depend on location?
No
Gravitational field strength on Earth ()
Gravitational field strength on Earth ()
N/kg
Formula for weight
Formula for weight
Unit of weight
Unit of weight
Newtons (N)
Unit of gravitational field strength
Unit of gravitational field strength
N/kg (newtons per kilogram)
Does weight change on Moon vs Earth?
Does weight change on Moon vs Earth?
Yes, weight is different
Does mass change on Moon vs Earth?
Does mass change on Moon vs Earth?
No, mass is the same
Tool used to measure weight
Tool used to measure weight
Newton meter
Centre of mass in symmetrical object
Centre of mass in symmetrical object
At the centre
Where lines cross in irregular object method
Where lines cross in irregular object method
Centre of mass