Lesson 9 — gravitational potential energy and kinetic energy

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Slide 1: Tekstslide

EnergyMiddelbare schoolhavo, vwoLeerjaar 1

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Slide 1 - Tekstslide

This lesson

KE and GPE
Finding answers using a simulation
A real world example
Time to work on exercises

Slide 2 - Tekstslide

Learning goals

Name what GPE stands for.

Name what KE stands for.

Explain how GPE works and what factors influence it.

Explain how KE works and what factors influence it.

Explain what is meant by kinetic energy and how it works

Describe situations that involve energy changes between kinetic energy and gravitational potential energy

Slide 3 - Tekstslide

KE?

GPE?

Slide 4 - Tekstslide

Kinetic energy

GPE?

Slide 5 - Tekstslide

Kinetic energy

Gravitational potenial

energy

Slide 6 - Tekstslide

KE: Kinetic energy

GPE: Gravitational potential energy

Slide 7 - Tekstslide

Link

Slide 8 - Tekstslide

Questions to answer

What factors influence KE (kinetic energy?)
What factors influence GPE (gravitational potential energy)?
What happens to KE and GPE if we lift an object?
What happens to KE and GPE if we drop an object?
What can we say about the speed of an object if all it's energy is in GPE?
What can we say about the speed of an object if all its energy is in KE?
What else can we discover about the dynamic between GPE and KE?

Slide 9 - Tekstslide

Slide 10 - Tekstslide

K E = \frac{​ 1 ​ ​}{​ 2 ​} \cdot m \cdot v^{​ 2 ​ ​}

G P E = m \cdot g \cdot h

Slide 11 - Tekstslide

K E = G P E

Slide 12 - Tekstslide

m \cdot g \cdot h = \frac{​ 1 ​ ​}{​ 2 ​} \cdot m \cdot v^{​ 2 ​ ​}

Slide 13 - Tekstslide

Time to work on exercises

Slide 14 - Tekstslide

Formative test

After the christmas break

Slide 15 - Tekstslide

Learning goals

Name what GPE stands for

Name what KE stands for

Explain what is meant by gravitaitonal potential energy and how it works

Explain what is meant by kinetic energy and how it works
Describe situations that involve energy changes between kinetic energy and gravitational potential energy

Slide 16 - Tekstslide