1. What is a push or a pull? (force)
2. What are the two types of forces? (tension and torsion)
3. What is a force that requires contact between objects? (contact forces)
4. What force does not require contact between objects? (noncontact forces)
5. What is a perpendicular force with which two objects push each other? (normal force)
6. What force combines electric and magnetic fields from the interactions of charged particles? (electromagnetic force)
7. Can force cause motion? (yes)
8. What are the 3 examples of contact forces? ( frictional force, applied force, normal force)
9.  What are the 3 examples of noncontact forces? (gravitational force, electromagnetic force, and nuclear force)
10. What is the force that stretches an object? (tension)