# Representing Forces

In this lesson we introduce balanced forces as forces of the same size in opposite directions. We also practice drawing free body diagrams.

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 does a contact force require?

1/8

Q2.Which of these is true of non contact-forces?

2/8

Q3.Which of these is a contact force?

3/8

Q4.Which of these is exerted by an engine?

4/8

Q5.Which of these is in the same direction as the movement of the object?

5/8

Q6.Which unit do we measure force in ?

6/8

Q7.Which four forces act on a plane?

7/8

Q8.Which force causes boats to float?

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 does a contact force require?

1/8

Q2.Which of these is true of non contact-forces?

2/8

Q3.Which of these is a contact force?

3/8

Q4.Which of these is exerted by an engine?

4/8

Q5.Which of these is in the same direction as the movement of the object?

5/8

Q6.Which unit do we measure force in ?

6/8

Q7.Which four forces act on a plane?

7/8

Q8.Which force causes boats to float?

8/8

# 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.

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:

# Representing Forces

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

Q1.What is the unit we measure forces in?

1/8

Q2.What does a larger arrow mean?

2/8

Q3.What does a smaller arrow mean?

3/8

Q4.What does the direction of an arrow show us?

4/8

Q5.Which force is an attraction between two objects with mass?

5/8

Q6.Which force is an upward push of water on an object?

6/8

Q7.Which force slows objects down as they slide past each other?

7/8

Q8.Which force slows objects down as they travel through a liquid?

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:

# Representing Forces

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

Q1.What is the unit we measure forces in?

1/8

Q2.What does a larger arrow mean?

2/8

Q3.What does a smaller arrow mean?

3/8

Q4.What does the direction of an arrow show us?

4/8

Q5.Which force is an attraction between two objects with mass?

5/8

Q6.Which force is an upward push of water on an object?

6/8

Q7.Which force slows objects down as they slide past each other?

7/8

Q8.Which force slows objects down as they travel through a liquid?

8/8

# Lesson summary: Representing Forces

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## Time to move!

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

For 5 mins...

Move around:
Walk

On the spot:
Dance