science

3. any region in which a physical force has an effect
5. the force that resists the start of sliding motion between two surfaces that are in contact and at rest
7. any material that attracts iron or materials containing iron
12. energy due to gravity or elastic deformation

1. the motion of a body when only the force of gravity is acting on it.
2. the combination of all of the forces acting on an object
4. the force that opposes the movement of two surfaces that are in contact and moving around each other
6. the tendency of an object to resist a change in motion unless an outside force acts on the object
8. a push or pull exerted on an object in order to to change the motion of the object.
9. a coil of wire with an electric current in it
10. a force parallel to the velocity of the flow;it opposes the direction of an aircraft.
11. a force of action between objects that is due to their masses