Week 17 Physics 2

1) Physics The science of matter, motion, and energy.  

2) Constant

Not changing; continuing without pause

3) Displacement

How far an object has moved from its original position;  the difference between the beginning and end positions.

4) Inertia  

The tendency of an object to resist change in motion.
5) Average Speed The total distance traveled by an object over a total amount of time.
6) Simple Machine A mechanical divide that changes the direction or magnitude of a force.
7) Joule   a unit used to measure energy; used in Newton-meter. 
8) Motion   The action or process of moving or being moved. 
9) Positive acceleration An increase in the velocity of an object

10) Negative acceleration

A decrease in the velocity of an object.


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