Calculating speed using an equation

In this lesson we will use an equation to calculate the speed and learn about relative speed.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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 another word for air resistance?

1/8

Q2.Which of these is what we call drag in a specific liquid?

2/8

Q3.There is no air in space. Is there air resistance in space?

3/8

Q4.Why do cyclists crouch down?

4/8

Q5.Which forces are smaller when an object is more streamlined?

Select two (2) boxes

5/8

Q6.Friction is larger when a surface is ...................

6/8

Q7.Friction is smaller when a surface is ...................

7/8

Q8.If the resultant force is zero, what happens to the speed and direction of an object?

8/8

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

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 another word for air resistance?

1/8

Q2.Which of these is what we call drag in a specific liquid?

2/8

Q3.There is no air in space. Is there air resistance in space?

3/8

Q4.Why do cyclists crouch down?

4/8

Q5.Which forces are smaller when an object is more streamlined?

Select two (2) boxes

5/8

Q6.Friction is larger when a surface is ...................

6/8

Q7.Friction is smaller when a surface is ...................

7/8

Q8.If the resultant force is zero, what happens to the speed and direction of an object?

8/8

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Calculating speed using an equation

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Which of these is the correct equation for speed?

1/7

Q2.What is the average speed of an object that falls 50 m in 2 s?

2/7

Q3.What is the average speed of an object that falls 50 km in 2 hours?

3/7

Q4.What is the next step: 30 = distance ÷ 2

4/7

Q5.To calculate relative speed of two objects in the same direction, I should

5/7

Q6.To calculate relative speed of two objects in opposite directions, I should

6/7

Q7.Two cars are moving in the same direction. Both move at 50mph. What is their relative speed?

7/7

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Calculating speed using an equation

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Which of these is the correct equation for speed?

1/7

Q2.What is the average speed of an object that falls 50 m in 2 s?

2/7

Q3.What is the average speed of an object that falls 50 km in 2 hours?

3/7

Q4.What is the next step: 30 = distance ÷ 2

4/7

Q5.To calculate relative speed of two objects in the same direction, I should

5/7

Q6.To calculate relative speed of two objects in opposite directions, I should

6/7

Q7.Two cars are moving in the same direction. Both move at 50mph. What is their relative speed?

7/7

Lesson summary: Calculating speed using an equation

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