# Les 8 Gravity

§1.4 Gravity
Gravity
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Slide 1: Tekstslide
Natuurkunde / ScheikundeMiddelbare schoolhavoLeerjaar 1

In deze les zitten 15 slides, met tekstslides.

## Onderdelen in deze les

§1.4 Gravity
Gravity

#### Slide 1 -Tekstslide

Todays lesson
• Discussing gravity.
• Weight and mass.
• The formula for weight.
• working independently.

#### Slide 2 -Tekstslide

Learning goals
• Explain the force of gravity.
• Describe the difference between mass and weight.
• Do calculations using the formula for weight.

Gravity

#### Slide 4 -Tekstslide

Gravity:
A force between all objects.

What are
Mass and weight?

#### Slide 7 -Tekstslide

Weight =
Mass =
How much matter an object is made of (kg).
How strong the force of gravity is on an object.

#### Slide 8 -Tekstslide

The formula for weight
Weight mass x gravitational field strength
(N)
(kg)
(N/kg)

#### Slide 9 -Tekstslide

The formula for weight
w=mg
(N)
(kg)
(N/kg)

#### Slide 10 -Tekstslide

Gravitational field strength earth = 10 N/kg
Gravitational field strength mars = 3.7 N/kg
10 kg
20 kg
50 kg
Weight (N)
On earth
Weight (N)
On mars
Weight mass x gravitational field strength

#### Slide 11 -Tekstslide

Gravitational field strength mars = 10 N/kg
Gravitational field strength mars = 3.7 N/kg
10 kg
20 kg
50 kg
Weight (N)
On earth
100
200
500
Weight (N)
On mars
Weight mass x gravitational field strength

#### Slide 12 -Tekstslide

Gravitational field strength mars = 10 N/kg
Gravitational field strength mars = 3.7 N/kg
10 kg
20 kg
50 kg
Weight (N)
On earth
100
200
500
Weight (N)
On mars
37
74
185
Weight mass x gravitational field strength

Homework
Workbook §1.4
all exercises

#### Slide 14 -Tekstslide

Learning goals
• Explain gravity.
• Describe the difference between mass and weight.
• Do calculations using the formula for weight.