Predesign, Topic 3, Knowledge/Skills Activity 5b

Work, Energy, and Power

Practice what you've learned

Complete each of the following tasks with entries in your course portfolio

Explain the term work in terms of its effect on an object.
How is energy related to work?
How id work related to force?
What is the difference between potential energy and kinetic energy?
What is the difference between renewable and non-renewable energy (think source of energy)?
How is power related to work?
What is the unit of measure for work? for energy?
What is 1 joule of energy? What is 1 joule of work?
What is the unit of measure for power?
How is the unit of measure for power related to the unit of measure for work?

Suppose you need lift a box from the floor to your desk. If the box weighs 5 newtons, and you desk is 0.9 meters high, how much work did you do?
If it took you 10 seconds to move the box from the floor to your desk, how much power did you make?
Suppose you could move 30 of those boxes in 10 seconds. How much power would you make?

Make suitable entries in your course portfolio

Step 1