Factors that affect speed

In this lesson we will discuss the effect of frictional forces on speed and how design features can reduce these 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 force acts downwards on an object with mass?

1/8

Q2.Which force slows a parachute down?

2/8

Q3.Which force acts in the same direction as the movement of a car?

3/8

Q4.What is the independent variable?

4/8

Q5.What is the dependent variable?

5/8

Q6.What is the control variable?

6/8

Q7.What was the conclusion to our investigation?

7/8

Q8.Why does the area of the parachute affect the drop time?

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.Which force acts downwards on an object with mass?

1/8

Q2.Which force slows a parachute down?

2/8

Q3.Which force acts in the same direction as the movement of a car?

3/8

Q4.What is the independent variable?

4/8

Q5.What is the dependent variable?

5/8

Q6.What is the control variable?

6/8

Q7.What was the conclusion to our investigation?

7/8

Q8.Why does the area of the parachute affect the drop time?

8/8

Video

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Worksheet

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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:

Factors that affect speed

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

Q1.What is another word for air resistance?

1/8

Q2.Which of these is what we call drag in a specific liquid?

2/8

Q3.There is no air in space. Is there air resistance in space?

3/8

Q4.Why do cyclists crouch down?

4/8

Q5.Which forces are smaller when an object is more streamlined?

Select two (2) boxes

5/8

Q6.Friction is larger when a surface is ...................

6/8

Q7.Friction is smaller when a surface is ...................

7/8

Q8.If the resultant force is zero, what happens to the speed and direction of an object?

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:

Factors that affect speed

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

Q1.What is another word for air resistance?

1/8

Q2.Which of these is what we call drag in a specific liquid?

2/8

Q3.There is no air in space. Is there air resistance in space?

3/8

Q4.Why do cyclists crouch down?

4/8

Q5.Which forces are smaller when an object is more streamlined?

Select two (2) boxes

5/8

Q6.Friction is larger when a surface is ...................

6/8

Q7.Friction is smaller when a surface is ...................

7/8

Q8.If the resultant force is zero, what happens to the speed and direction of an object?

8/8

Lesson summary: Factors that affect speed

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