How can we measure the size of forces?

In this lesson, we will learn how we can measure the size of forces, particularly how we can measure weight. We will learn about Isaac Newton and his contribution to our knowledge of forces as well as Newtons as a unit of measurement. We will also investigate how to use a Newton meter to measure forces.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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.Which of these is NOT an example of a non-contact force?

1/4

Q2.What is the correct definition of water resistance?

2/4

Q3.Which of these is NOT a practical use for magnets discussed in our lesson?

3/4

Q4.What would it feel like if two different sides of a magnet are brought together?

4/4

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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.Which of these is NOT an example of a non-contact force?

1/4

Q2.What is the correct definition of water resistance?

2/4

Q3.Which of these is NOT a practical use for magnets discussed in our lesson?

3/4

Q4.What would it feel like if two different sides of a magnet are brought together?

4/4

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

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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.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

How can we measure the size of forces?

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

Q1.Where did Isaac Newton live?

1/4

Q2.What do we use to measure mass?

2/4

Q3.What do we use to measure weight?

3/4

Q4.What is the hook at the top of a Newton meter used for?

4/4

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

How can we measure the size of forces?

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

Q1.Where did Isaac Newton live?

1/4

Q2.What do we use to measure mass?

2/4

Q3.What do we use to measure weight?

3/4

Q4.What is the hook at the top of a Newton meter used for?

4/4

Lesson summary: How can we measure the size of forces?

Time to move!

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

For 5 mins...

Move around:
Jog

On the spot:
Dance