# Moments and balance (Part 1)

This lesson introduces clockwise and anticlockwise moments. It also introduces a balanced object as one with clockwise moment = anticlockwise moment.

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 a lever? (Chose three)

Select three (3) boxes

1/6

Q2.What is a pivot?

2/6

Q3.Select the two ways to increase the moment

Select two (2) boxes

3/6

Q4.Choose the equation for moment

4/6

Q5.Calculate the moment of a force of 20N, 10m from the pivot.

5/6

Q6.Calculate the moment of a force of 15N, 10cm from the pivot.

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 a lever? (Chose three)

Select three (3) boxes

1/6

Q2.What is a pivot?

2/6

Q3.Select the two ways to increase the moment

Select two (2) boxes

3/6

Q4.Choose the equation for moment

4/6

Q5.Calculate the moment of a force of 20N, 10m from the pivot.

5/6

Q6.Calculate the moment of a force of 15N, 10cm from the pivot.

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:

# 2a Moments and Balance

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

Q1.What do we call the direction of moments that cause an object to rotate the same direction as clock hands?

1/6

Q2.What do we call the direction of moments that cause an object to rotate the opposite direction to clock hands?

2/6

Q3.For an object to be balanced....

3/6

Q4.What is a lever? Tick all three that apply

Select three (3) boxes

4/6

Q5.What is the moment of a 20N force, 0.5m away from the pivot?

5/6

Q6.What is the moment of a 5N force, 10cm away from the pivot?

6/6

Quiz:

# 2a Moments and Balance

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

Q1.What do we call the direction of moments that cause an object to rotate the same direction as clock hands?

1/6

Q2.What do we call the direction of moments that cause an object to rotate the opposite direction to clock hands?

2/6

Q3.For an object to be balanced....

3/6

Q4.What is a lever? Tick all three that apply

Select three (3) boxes

4/6

Q5.What is the moment of a 20N force, 0.5m away from the pivot?

5/6

Q6.What is the moment of a 5N force, 10cm away from the pivot?

6/6

# Lesson summary: Moments and balance (Part 1)

## 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