Reaction Time (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards
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12 cards from this deck
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Practise the cards
12 cards from this deck
Factors influencing thinking distance
Factors influencing thinking distance
Vehicle speed and reaction time
Effect of vehicle speed on thinking distance
Effect of vehicle speed on thinking distance
Faster speed = greater distance during reaction
Effect of slower reaction time on thinking distance
Effect of slower reaction time on thinking distance
More distance travelled before brakes applied
Typical reaction time range (seconds)
Typical reaction time range (seconds)
0.2 to 0.9 seconds
Factors affecting reaction time
Factors affecting reaction time
Tiredness, drugs, alcohol, distractions
Why a stopwatch is ineffective for reaction time
Why a stopwatch is ineffective for reaction time
Reaction times typically less than a second
Simple method to measure reaction time
Simple method to measure reaction time
Drop ruler, measure distance fallen before caught
Hand position in ruler drop test
Hand position in ruler drop test
0 cm mark, thumb & forefinger hovering
Meaning of longer distance in ruler test
Meaning of longer distance in ruler test
Slower reaction time
Acceleration due to gravity
Acceleration due to gravity
Equation relating velocity, acceleration, distance
Equation relating velocity, acceleration, distance
Improving accuracy of ruler drop experiment
Improving accuracy of ruler drop experiment
Repeat several times, calculate average