P3

Increasing the speed reduces...

On a distance time graph, what does a steeper gradient mean?

What does a straight line on a distance-time graph indicate?

What does a curved line on a distance-time graph indicate?

What is a change of speed per unit of time called?

The area under a speed-time graph is equal to what?

Is velocity a vector or a scalar?

How do you work out the relative velocity for two cars that are moving in the same direction?

How do you work out the relative velocity for two cars that are moving in different directions?

Why is a vehicle going round a roundabout accelerating?

If the forces are balanced at what state is the vehicle?

What are the 4 things that increase reaction time for a driver?

What are the 3 things that increase braking distance?

What are the 3 things that ensure safe driving?

What are the 5 factors that affect braking distance?

What increases linearly with speed?

What increases as a squared relationship?

When is work done?

What is weight a measurement of?

What is power?

A persons power is greater when they run than when they walk. True or false?

What does the power rating of a car depend on?

How does the braking distance of a car increase?

What happens to a car's K.E when it stops?

Work done by brakes=

Braking force x braking distance =

What happens to the K.E and the braking distance when the speed of the car doubles?

What are the 5 factors that affect the fuel consumption of a car?

What are 4 issues with electric cars (solar powered and battery driven)?

What are two advantages of electric cars?

How do battery powered cars indirectly pollute?

Although biofuels may reduce carbon emissions, why is this not certain?

What spreading momentum change over a long time do?

How can we reduce acceleration (and therefore force)?

What are the 5 features that reduce acceleration?

What do modern cars have that help absorb energy in a crash (4 things)?

Why does seat belts stretching help absorb energy?

What are the 3 reasons why drivers don't like wearing seatbelts?

What is the best way to gain safety information?

What are ABS brakes?

How does the ABS system work?

What are two other primary safety features?

What are the two things that affect the size of air resistance?

When does air resistance only have effect?

What is the journey of a parachutist like in terms of forces?

What are three qualities of the gravitational field strength?

What does an object held above the ground have?

What are the 4 steps of a bouncing ball?

What is the loss in GPE in a skydiver due to?

change in GPE =

What do the riders at the top of a roller coaster ride have?

What happens when the roller coaster is released?

Loss in GPE=

Why does each peak in a roller coaster have to be lower than the one before?

GPE at top of roller coaster=

If speed doubles what happens to KE?

If mass doubles, what happens to KE?