Grace Dower

3. Resistance resulting from moving through the air.
4. An object's (in motion or at rest) resistance to change unless acted upon by an unbalanced force.
10. The speed and direction which an object is moving in.
12. The distance between the starting point and ending point.
13. According to the first law of thermodynamics, in a closed system, what cannot be created nor destroyed?
15. Mechanical energy = potential energy + what other type of energy?
16. An object with magnitude but no direction.
17. Which force is the one that holds you up, often counteracting gravity?
19. Resistance that comes from two objects rubbing together.
20. A line that touches the outside of a curve or circle.

1. mw^2r = ?
2. What force equals 9.81 m/s/s?
5. The force that pushes air.
6. An object with both magnitude and direction.
7. Mechanical energy = kinetic energy + what other type of energy?
8. Fill in the blank. If I want to lose ______, I would just go to mars!
9. The rate of change in velocity per second.
11. Say you have a ball attached to a string. What force is acting upon the ball to offset the gravitational force?
14. While your weight would be greater on Jupiter than Earth, this wouldn't change.
18. Fill in the blank. ___ force is the sum of all forces acting on an object.