les 5

Today's lesson

The homework
Friction
Friction and movement

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Slide 1: Tekstslide

Natuurkunde / ScheikundeMiddelbare schoolvwoLeerjaar 1

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Today's lesson

The homework
Friction
Friction and movement

Slide 1 - Tekstslide

goals

Give examples of friction.
Explain the cause of friction.

Slide 2 - Tekstslide

The homework

Slide 3 - Tekstslide

Thrust of the car (N)

Friction (N)

Air resistance (N)

Resultant force (N)

1500

700

800

3000

500

100

1000

600

500

2500

900

400

Slide 4 - Tekstslide

Friction

Slide 5 - Tekstslide

Friction

What is the unit of friction?

Newtons

Slide 6 - Tekstslide

Friction.

What causes friction?

difference in texture
Surface sticking together

Slide 7 - Tekstslide

Slide 8 - Tekstslide

Friction.

In what direction does friction act?

In the opposite to the motion.

Slide 9 - Tekstslide

Slide 10 - Tekstslide

100 N

30 N

Slide 11 - Tekstslide

Working independently

Homework:
workbook page 8 and 9

1.2 exercise E

1.3 exercise 1

Slide 12 - Tekstslide

What did we do

this lesson?

Slide 13 - Tekstslide