**ACROSS**
** 5.** The transfer of energy that result from applying a force over a distance.
** 7.** A quantity that measures the ability to cause change in a physical system.
** 9.** Unit of measure for force.
** 11.** ____ collision: when objects bounce off each other with no loss in the total kinetic energy of the system.
** 12.** A change in momentum created by a force exerted over time.
** 14.** Newton's Third Law: For every ____ force, there is a reaction force equal in strength and opposite in direction.
** 15.** Newton's ____ Law: For every action force, there is a reaction force equal in strength and opposite in direction.
** 17.** Law of ____ of Momentum: If interacting objects in a system are not acted on by outside forces, the total amount of momentum in the system cannot change.
** 18.** Mass multiplied by velocity. |
**DOWN**
** 1.** ___ of Conservation of Energy: energy can never be created ar destroyed, just converted from one form into another.
** 2.** ____ collision: when objects change shape or stick together, and the total kinetic energy of a system decreases.
** 3.** If the action is the Earth pulling down on a book, the ____ is the book pulling up on the Earth.
** 4.** The momentum of an object is related to its mass and ____.
** 6.** ____ energy: energy of motion.
** 8.** The ____ of an object is related to its mass only.
** 10.** When two objects hit each other, a(n) ____ occurs.
** 13.** ____ energy: energy due to position.
** 16.** Unit of measure for energy. |