PHYSICS GCSE TOPIC 1- MOTION
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GCSE physics. topic 1 about "motion"
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12 Terms
what is speed?
how fast an object is travelling
what is velocity?
speed with a direction
what is acceleration?
the rate of change in velocity
what is a scaler?
a quantity that only has a size/magnitude but no direction (e.g time).
what is a vector?
a physical quantity that have both a size AND direction (e.g force)
what is a scaler vector pair, an example?
distance and displacement
what does a horizontal line on a distance graph mean?
its stationary
what does a diagonal line on a distance time graph mean?
its constant speed
what does a steeper diagonal line on a distance time graph mean?
its faster constant speed
what is the formula of a gradient?
change in y / change in x
what is the formula of speed?
speed= distance / time