Motion Lesson 21 - Energy and power
OUTCOME
By the end of the lesson you will be able to apply conservation of mechanical energy to problems and recognise and calculate mechanical power
Mechanical power is measured in Watts but in cars and in older times, it was described as horse power
LEARNING TASKS
Explain
1. Where did the term Horse power come from?
2. What is power?
3. How do you convert horse power to Watts?
Jamboard
Explore and Elaborate
Prac: Energy of a pendulum
Evaluate
Try the following Questions: