8.1 Work and Energy [Part 2]

8.1 Work and Energy [Part 2]

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Warmer Activity

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Multiple Choice

Use “google” to find the meanings of the new terms of:

gravitational potential energy

• energy stored in an object related to its positions in a thermos field

• energy stored in an object related to its positions in a gravitational field

Multiple Choice

Use “google” to find the meanings of the new terms of:

work-energy theorem

• a theorem that equates work done with change in energy

• a theorem that equates work done with change in water molecules

Multiple Choice

Use “google” to find the meanings of the new terms of:

kinetic energy

• energy that an object has due to its sleeping

• energy that an object has due to its position

• energy that an object has due to its motion

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Activity 1: Visualizing Energy

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Multiple Choice

Along which path did the student need more energy to reach that same distance?

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Learning Check Point 1

Video Activity

Multiple Choice

What is point A?

• Maximum Kinetic Energy

• Maximum Potential Energy

Multiple Choice

What is point B?

• Maximum Kinetic Energy

• Maximum Potential Energy

Multiple Choice

What is point c?

• Maximum Kinetic Energy

• Maximum Potential Energy

Multiple Choice

Based on your notes: Identify which equation belongs to kinetic energy?

Plenary

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Open Ended

Any questions?

8.1 Work and Energy [Part 2]

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Warmer Activity

Recap 😊

Multiple Choice

Based on your notes: Identify which equation belongs to potential energy?

Multiple Choice

A mass of 2Kg is taken from the ground to the height of 10m. Find the potential energy of the object.

• 499 N

• 200 J

• 499 J

• 200 N

Multiple Choice

• 45 J

• 20 J

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Learning check point 3

Work Energy Theorem 😎

Multiple Choice

Which equation belongs to work-energy theorem?

Multiple Choice

The conservation of energy means that energy can neither be created nor destroyed

• True!

• False!

Learning check point 4

Power 😎

Multiple Choice

What is the correct equation to calculate power?

Multiple Choice

Power is the ______ measured over time. Its unit is the _____

• Work done / Watts

• Velocity / Meters

• Work done / Joules

• Force / Velocity

Plenary

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Open Ended

Any questions?