UNIT 1 - MOTION Flashcards
1
Q
NAME THE TWO QUANTITIES
A
SCALAR AND VECTOR
2
Q
WHAT IS SCALAR
A
Quantities with a magnitude only - speed
3
Q
WHAT IS VECTOR ?
A
Quantities with a magnitude and direction - Velocity
4
Q
WHAT IS STOPPING DISTANCE ?
A
Thinking Distance + Braking Distance
5
Q
WHAT IS THINKING DISTANCE AND WHAT FACTORS CAN AFFECT IT ?
A
Time taken for driver to react
Factors - Tiredness, drugs / alcohol influence, distracted, old age
6
Q
WHAT IS STOPPING DISTANCE AND WHAT FACTORS CAN AFFECT IT ?
A
Time taken to come to a stop after breaks are applied
Factors - Poor brakes, poor tyre conditions, wet / icy roads, greater mass vehicle, greater speed
7
Q
HOW DO YOU CALCULATE DISTANCE TRAVELLED ?
A
Area under the graph
8
Q
HOW DO YOU CALCULATE ACCELERATION ?
A
Gradient
