http://www.ck12.org Chapter 13. Forces
Lesson Review Questions
Recall
- Define force. Give an example of a force.
- What is a newton?
- What is net force?
- Describe an example of balanced forces and an example of unbalanced forces.
Apply Concepts
- What is the net force acting on the block in each diagram below?
a.b.Think Critically
- Explain how forces are related to motion.
Points to Consider
In the next lesson, "Friction," you will read about the force of friction. You experience this force every time you
walk. It prevents your feet from slipping out from under you.
- How would you define friction?
- What do you think causes this force?