Terminal Velocity

Question 1

Terminal Velocity

Answer 1

Terminal Velocity is the fastest speed a falling object can reach when air resistance balances the force of gravity, so it stops speeding up.

Question 2

Stopping Distance

Answer 2

The total distance required to stop a car, the stopping distance, is equal to the thinking distance plus the braking distance.

Question 3

Formula for Stopping Distance

Answer 3

Thinking distance + Braking Distance = Stopping Distance

Question 4

Factors affecting thinking distance:

Answer 4

1. Reaction time of driver
2. Speed of the car (also braking distance)
3. Visual impairments + tiredness

Question 5

Thinking Distance

Answer 5

Thinking Distance is how fast the driver reacts.

Question 6

Factors affecting braking distance:

Answer 6

1.Speed of the car (also thinking distance)
2. Weight or mass of the car
3. Condition of road
4. Condition of vehicle

Question 7

Things that keep you safe in a car

Answer 7

1. Seatbelt is a strap around your body which helps you not get thrown out of your seat if there was a sudden stop.
2. Airbags reduce the chance that your upper body or head will be injured during a collision..
3. Crumble Zone absorb energy from crashes. It protects you by transferring energy to the bend of the car instead of you.