# Collisions and car safety

In this lesson we will look at car safety and the factors that can affect car safety.

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What is the unit for momentum?

1/6

Q2.What is the equation that links mass, momentum and velocity?

2/6

Q3.A man has a mass of 85 kg and runs at a velocity of 3 m/s. What is his momentum?

3/6

Q4.A girl rollerblading has a momentum of 220 kg m/s. She has a mass of 45 kg. What is her velocity?

4/6

Q5.A boy is standing on a skateboard holding a ball. He is not moving. He throws the ball and the skateboard rolls backwards. What is the momentum of the skateboard and boy?

5/6

Q6.Using the question above, If the momentum of the ball was 2 kg m/s, what was the momentum of the skateboard and boy?

6/6

Quiz:

# Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Q1.What is the unit for momentum?

1/6

Q2.What is the equation that links mass, momentum and velocity?

2/6

Q3.A man has a mass of 85 kg and runs at a velocity of 3 m/s. What is his momentum?

3/6

Q4.A girl rollerblading has a momentum of 220 kg m/s. She has a mass of 45 kg. What is her velocity?

4/6

Q5.A boy is standing on a skateboard holding a ball. He is not moving. He throws the ball and the skateboard rolls backwards. What is the momentum of the skateboard and boy?

5/6

Q6.Using the question above, If the momentum of the ball was 2 kg m/s, what was the momentum of the skateboard and boy?

6/6

# Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

• Click "Close Video"
• Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

# Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

Quiz:

# Car Safety

This quiz will test your knowledge on the car safety lesson along with some questions on momentum.

Q1.What is the unit for momentum?

1/7

Q2.What is the equation that links mass, momentum and velocity?

2/7

Q3.Which of the following is an equation that would allow you to calculate the force required to change momentum?

3/7

Q4.What is conserved in an elastic collision?

4/7

Q5.What is conserved in an inelastic collision?

5/7

Q6.Which 3 of the following are safety features of a car that extend the time in which momentum changes?

Select three (3) boxes

6/7

Q7.What force is needed to get a 60 kg stationary scooter moving at 5 m/s in 12 s?

7/7

Quiz:

# Car Safety

This quiz will test your knowledge on the car safety lesson along with some questions on momentum.

Q1.What is the unit for momentum?

1/7

Q2.What is the equation that links mass, momentum and velocity?

2/7

Q3.Which of the following is an equation that would allow you to calculate the force required to change momentum?

3/7

Q4.What is conserved in an elastic collision?

4/7

Q5.What is conserved in an inelastic collision?

5/7

Q6.Which 3 of the following are safety features of a car that extend the time in which momentum changes?

Select three (3) boxes

6/7

Q7.What force is needed to get a 60 kg stationary scooter moving at 5 m/s in 12 s?

7/7

# Lesson summary: Collisions and car safety

## Time to move!

Did you know that exercise helps your concentration and ability to learn?

For 5 mins...

Move around:
Walk

On the spot:
Chair yoga