Eduqas A-Level Physical Education A550QS
Health, Fitness and an Active Lifestyle
Short-Term Responses to Exercise
Long-Term Adaptations to Exercise
Fitness Testing and Components of Fitness
Training Methods, Principles and Periodisation
Energy Systems
Fatigue and Recovery
Diet, Nutrition and Supplements
Injury Prevention and Rehabilitation
Joints and the Musculo-Skeletal System
Planes, Axes and Movement Patterns
Biomechanical Principles and Levers
Linear and Angular Motion
Projectile Motion and Fluid Mechanics
Performance Analysis
Technology in Sport
Personality
Attitudes
Goal Setting
Stress, Arousal and Anxiety
Motivation
Aggression
Social Facilitation
Group Dynamics and Leadership
Attribution Theory
Self-Efficacy and Confidence
Skill, Ability and Skill Classification
Learning Curves, Theories and Stages
Transfer, Practice and Guidance
Information Processing, Memory and Feedback
Sport, Culture and Society
The Emergence of Modern Sport
Ethics, Deviance and Doping
Social Differentiation in Sport
Sport and the Mass Media
Commercialisation and Globalisation
Linear and Angular Motion
Distance, displacement, speed and velocity
- 3 things to know
- Components 1 and 2
Overview
Distance and displacement, speed and velocity, position, worked speed and 400 m lap examples, linear motion, distance–time graphs and split times.
What you need to know
Answer each one before you reveal it.
What is the difference between distance and displacement?
What is the difference between speed and velocity?
Questions from this subtopic
Each one with the model answer underneath.
- 1
What is the difference between distance and displacement?
Model answer
Distance is the total length of the path covered. Displacement is the shortest straight-line change in position, in a stated direction.
- 2
What is the difference between speed and velocity?
Model answer
Speed is the rate of covering distance and has size only. Velocity is the rate of change of displacement and has size and direction.
- 3
What is position in linear motion?
Model answer
Position is where a body is located relative to a fixed point. Changes in position are used to calculate displacement.
- 4
A sprinter runs 100 m in 12.5 s. What is the average speed?
Model answer
The average speed is 8 m s⁻¹. The working is 100 m ÷ 12.5 s = 8 m s⁻¹.
- 5
A runner completes one 400 m lap and finishes at the start. What are the distance and displacement?
Model answer
The distance is 400 m. The displacement is zero, because the runner finishes where they started.
- 6
Why is the runner's average velocity zero after one full lap?
Model answer
Average velocity is displacement divided by time. The displacement is zero, so the average velocity is zero.
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