Speed (AQA GCSE Physics): Flashcards
📚Flashcards
Practise the cards
13 cards from this deck
ShowHide
Practise the cards
13 cards from this deck
Type of quantity: speed
Type of quantity: speed
Scalar
Does speed indicate direction?
Does speed indicate direction?
No, only how fast an object moves
Is speed constant over time?
Is speed constant over time?
No, speed varies over time
Definition: distance
Definition: distance
How far an object moves (scalar)
Definition: displacement
Definition: displacement
Distance & direction from start to finish (vector)
Speed formula
Speed formula
Age effect on speed
Age effect on speed
Fitness decreases, reducing speed
Terrain effect on speed
Terrain effect on speed
Rough terrain = more friction = reduced speed
Distance travelled effect on speed
Distance travelled effect on speed
Muscles tire, lactic acid builds up (longer distances)
Normal walking speed (m/s)
Normal walking speed (m/s)
1.5 m/s
Running speed (m/s)
Running speed (m/s)
3 m/s
Cycling speed (m/s)
Cycling speed (m/s)
6 m/s
Speed of sound in air (m/s)
Speed of sound in air (m/s)
330 m/s