physics

2. Friction that acts on objects that are not moving
4. A placeholder where Word inserts content in a document. Word automatically uses fields when specific commands are activated, such as those for inserting dates, page numbers, and a table of
5. A substance that can conduct electricity under some conditions
7. a region where magnetic influence around a magnetic pole or a moving charged particle
9. the tendency of an object to resist motion
11. the motion of a falling object when the only force acting on it is gravity
12. a material in which charges can move freely
13. a material In which charges cannot move freely
17. a device that converts mechanical energy into electrical energy
20. The ends of a magnetic object, where the magnetic force is strongest.
21. The path of an object as it revolves around another object in space
22. he combination of all forces acting on an object
23. any material that attracts iron and materials that contain iron
24. resistance by friction from air or water moving over a surface
25. A device that increases or decreases the voltage of alternating current
26. A force of attraction between objects that is due to their masses.
27. stored energy that results from the position or shape of an object

1. the force that opposes the movement of two surfaces that are in contact and are moving over each other
3. A push or pull exerted on an object
6. electric charge at rest; generally produced by friction or induction
8. Kinetic or potential energy associated with the motion or position of an object
10. the attraction or repulsion between magnetic poles
12. the process of creating a current in a circuit by changing a magnetic field
14. a coil of wire with an electric current in it
15. energy of motion
16. a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil
18. The interaction between electricity and magnetism
19. a device that converts electrical energy into mechanical energy