science

2. any region in which a physical force has an effect
4. a force parallel to the velocity of the flow;it opposes the direction of an aircraft.
6. a coil of wire with an electric current in it
8. a force of action between objects that is due to their masses
10. the tendency of an object to resist a change in motion unless an outside force acts on the object
11. the combination of all of the forces acting on an object
12. a push or pull exerted on an object in order to to change the motion of the object.

1. energy due to gravity or elastic deformation
3. any material that attracts iron or materials containing iron
5. the force that opposes the movement of two surfaces that are in contact and moving around each other
7. the force that resists the start of sliding motion between two surfaces that are in contact and at rest
9. the motion of a body when only the force of gravity is acting on it.