# Resolving forces (HT)

In this lesson we will look at calculating resultant force, where vectors occur in similar and different directions. We will look at how resultant forces affect the motion of an object. We will also look at HT-only content in resolving a single force into its two components.

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!

## Question 7

Q1.Identify the correct units for weight

1/7

Q2.Identify the correct definition of weight

2/7

Q3.Recall the equation that links gravitational field strength, mass and weight

3/7

Q4.Identify the 3 vectors below

Select three (3) boxes

4/7

Q5.Identify 2 correct statements

Select two (2) boxes

5/7

Q6.When weight acts through a single point of an object, we call this what?

6/7

Q7.Calculate the weight on an object that has a mass of 10 kg, assuming 9.8 N/kg

7/7

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!

## Question 7

Q1.Identify the correct units for weight

1/7

Q2.Identify the correct definition of weight

2/7

Q3.Recall the equation that links gravitational field strength, mass and weight

3/7

Q4.Identify the 3 vectors below

Select three (3) boxes

4/7

Q5.Identify 2 correct statements

Select two (2) boxes

5/7

Q6.When weight acts through a single point of an object, we call this what?

6/7

Q7.Calculate the weight on an object that has a mass of 10 kg, assuming 9.8 N/kg

7/7

# 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:

# Resolving Forces (HT)

This quiz will assess you on lesson 4 of the forces topic focusing on resolving forces. They may also be some questions on previous content.

## Question 10

Q1.A single force that has the same effect as all the original forces acting together is called what?

1/10

Q2.Identify all 3 vector quantities below

2/10

Q3.Calculate the easterly resultant force

3/10

Q4.Which 2 statements could best describe an object's motion when the resultant force is 0 N?

Select two (2) boxes

4/10

Q5.Which 2 statements could best describe an object's motion when the resultant force is unbalanced?

Select two (2) boxes

5/10

Q6.Put the stages of resolving forces in order
Row 1

6/10

Q7.Where do we measure the angle?

7/10

Q8.What shape should be formed when we box in the force arrows?

8/10

Q9.A box has a force of 20 N north and 20 N east. On paper, draw a force diagram to scale to calculate the size of the resultant force. Select the correct answer from the list below

9/10

Q10.For the question above, what is the angle of the resultant force?

10/10

Quiz:

# Resolving Forces (HT)

This quiz will assess you on lesson 4 of the forces topic focusing on resolving forces. They may also be some questions on previous content.

## Question 10

Q1.A single force that has the same effect as all the original forces acting together is called what?

1/10

Q2.Identify all 3 vector quantities below

2/10

Q3.Calculate the easterly resultant force

3/10

Q4.Which 2 statements could best describe an object's motion when the resultant force is 0 N?

Select two (2) boxes

4/10

Q5.Which 2 statements could best describe an object's motion when the resultant force is unbalanced?

Select two (2) boxes

5/10

Q6.Put the stages of resolving forces in order
Row 1

6/10

Q7.Where do we measure the angle?

7/10

Q8.What shape should be formed when we box in the force arrows?

8/10

Q9.A box has a force of 20 N north and 20 N east. On paper, draw a force diagram to scale to calculate the size of the resultant force. Select the correct answer from the list below

9/10

Q10.For the question above, what is the angle of the resultant force?

10/10

# Lesson summary: Resolving forces (HT)

### Time to move!

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For 5 mins...

Move around:
Climb stairs

On the spot:
Chair yoga

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