vocabulary Crossword

4. point- A location to which another location is compared.
6. The ability to do work or to cause a change.
7. Advantage- The number of times a machine multiplies the input force;output force divided by input force.
9. A force that resists the motion between two surfaces in contact with on another.
11. A speed in a specific direction.
16. Machines- A machine that is made up of two or more simple machines.
17. A measure of how fast something moves through a particular distance over a definite time period.Speed is distance divided by time.
18. Energy- Stored energy; the energy an object has due to its position,
19. Energy- The energy of motion. A moving object has the most kinetic
20. A push or pull; something that changes the motion of an object.
22. The resistance of an object to a change in the speed or the direction of its motion.
24. Has a north and south pole. Attracts or repels objects.

1. Machines- One of the basic machines on which al other mechanical
2. The use of force to move an object over a distance.
3. The rate at which velocity changes over time.
5. first law- Objects at rest remain at rest, and objects in motion remain in motion with the same velocity, unless acted on by an unbalanced force.
8. a different motion to a second observer, depending on how the two observers are moving with respect to one another.
10. third law- every time one object exerts a force on another object, the
12. at the point where it moves the fastest.
13. The force that objects exert on each other because of their masses.
14. A change in position over time.
15. arrangement, or chemical composition.
17. object exerts a force equal in size and opposite in direction back on the first object.
21. are based. The six simple machines are the lever,inclined plane, wheel, and axle, pulley, wedge, and screw.
23. of reference- An object may appear to have one motion to one observer