physics crossword

3. the overall force acting on an object
4. he quantity of matter that a body contains
6. downward movement under the force of gravity only.
8. a quantity having direction as well as magnitude
9. size
11. a state in which opposing forces or influences are balanced
13. the theory that the universe originated from the explosion of a small volume of matter at high density and temperature
14. having only magnitude, not direction.

1. an arithmetical multiplier for converting a quantity expressed in one set of units into an equivalent expressed in another.
2. the quantity of motion of a moving body, measured as a product of its mass and velocity
5. increase in the rate or speed of something
6. the resistance that one surface or object encounters when moving over another
7. the rate at which someone or something is able to move
10. a property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force.
12. the force exerted on the mass of a body by a gravitational field.
13. a region of space having a gravitational field so intense that no matter or radiation can escape.