P3c Forces and Motion

- What does Newton's First Law tell us?
- What do forces do?
- What effects do the mass of an object and the size of the force have on the size of the acceleration caused by the force?
- How do you calculate the size of the force needed to give a mass an amount of acceleration?
- How is the direction of an acceleration related to the direction of the force that causes the acceleration?
- What is meant be 'thinking time'?
- What is meant by 'the thinking distance'?
- What factors can affect 'thinking distance?
- What is mean by breaking distance?
- What factors affect breaking distance?
- How is the total stopping distance calculated?
- What shape are the graphs of braking and thinking distance versus the speed of a car?
- Explain why the shape of the graphs of braking and thinking distance are different.
- What is the relationship between speed and thinking distance?
- What is the relationship between speed and braking distance?