A-level maths: mechanics 2023
mechanics book 1 chapter 8 why are mathematical models constructed? - Correct Answer to simulate real-life situations mechanics book 1 chapter 8 what are modelling assumptions used for? - Correct Answer to simplifiy calculations mechanics book 1 chapter 8
what SI units are used for mass? - Correct Answer measuered in:
kilograms
symbol:
kg mechanics book 1 chapter 8
what SI units are used for length/ displacement? - Correct Answer measured in:
metres
symbol:
m mechanics book 1 chapter 8 what SI units are used for time? - Correct Answer measured in: 1 / 2
seconds
symbol:
s mechanics book 1 chapter 8 what do vector quantities have? - Correct Answer both magnitude + direction mechanics book 1 chapter 8 what do scalar quantities have? - Correct Answer magnitude only mechanics book 1 chapter 8 what's distance? - Correct Answer magnitude of displacement vector mechanics book 1 chapter 8 what's speed? - Correct Answer magnitude of velocity vector mechanics book 1 chapter 9 what's velocity? - Correct Answer rate of change of displacement mechanics book 1 chapter 9 what do gradients represent on displacement-time graphs? - Correct Answer velocity
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