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.

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.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

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.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

Play video

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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.

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:

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

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:

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?

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Time to move!

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For 5 mins...

Move around:
Walk

On the spot:
Chair yoga

The next lesson in:
Forces
is:
What are contact forces?

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