Weight, Mass & Gravity (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards
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What is weight?
What is weight?
Force acting on object due to gravity
Does weight depend on location?
Does weight depend on location?
Yes
Weight-mass relationship
Weight-mass relationship
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
Force per kg of mass on Earth
Force per kg of mass on Earth
N
Formula: weight
Formula: weight
Unit for weight
Unit for weight
Newtons (N)
Unit for gravitational field strength
Unit for gravitational field strength
N/kg
If mass doubles, effect on weight
If mass doubles, effect on weight
Weight also doubles
Weight or mass: which changes with location?
Weight or mass: which changes with location?
Weight changes; mass stays same
Centre of mass location in symmetrical object
Centre of mass location in symmetrical object
At the centre
Tool to measure weight
Tool to measure weight
Newton meter