Force, Motion & Energy Vocab

2. - a measure of the amount of matter in an object
5. - a rigid bar resting on a fulcrum used to help move a heavy or firmly fixed load with one end when pressure is applied to the other
7. - stored energy; the energy an object has due to its position
10. - speed that stays the same and does not change
11. - the use of force to move an object over distances
13. - the object an observer uses to detect motion
15. - the amount of work an object can do because of the object's kinetic and potential energies
16. - the measurement of two positions; can either be a straight line or a measure of a path taken
17. - a wheel with a grooved rim that turns on an axle; used to lift loads
18. - a complete route in which an electric current can flow around
20. - a measure of the force of gravity on an object
23. - a change in velocity over time and how fast that change happened

1. - a device that changes the direction or magnitude of a force that makes work more efficient
3. - two or more forces that are not equal and opposite of one another; can cause a change in motion
4. - speed in a specific direction (rate of change of an object's position)
6. - a push or a pull; something that changes the motion of an object
8. - a device that changes the force or increases the motion from work
9. - a tool used to plot how far an object moves over a given time; average speeds can be calculated from this
12. - the energy of motion. A moving object has the most kinetic energy at the point where it moves the fastest
14. - a force of attraction between objects that is due to their masses
15. - the change of position over time
19. - is the resistance of an object to a change in the speed or direction of its motion
21. - two or more forces that are equal and opposite of one another; do not cause a change in motion
22. - a force that resists the motion between two surfaces in contact