# IPC Chapter 4

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1. the branch of applied mathematical dealing with motion and forces
mechanics
2. measures the positions, speed or velocity, and acceleration of objects
kinematics
3. the branch of mechanics concerned with the motion of bodies under the action of forces
dynamics
4. the branch of mechanics concerned with bodies at rest and forces in equilibrium
statics
5. a pause or break in activity
interval
6. any measurable quantity that can be completely described with a single piece of information is a scalar quantity;
having only magnitude, not direction
scalar
7. a quantity having direction as well as magnitude
vector
8. the amount of space between two things or people
distance
9. the moving of something from its place or position
displacement
10. the great size or extent of something
magnitude
11. the rate of motion
speed
12. physics, velocity is the rate of change of displacement
average speed
13. the rate of displacement;the speed of something in a given direction
velocity
14. increase in the rate of speed of something
acceleration
15. a set of connected things or part forming a complex whole
system
16. can slow, stop or reverse the original positive velocity
negative acceleration
17. equal to the distance traveled
speed
18. the total distance divided by the total time
average speed
19. the actual speed at any given moment (basically the speedometer)
instantaneous speed
20. can be a scalar or vector;
the rate of change of speed or velocity over time
acceleration
21. vectors are drawn as
lines
22. requires 2 pieces of information: a scalar for a magnitude and a direction
vector
23. velocity vs. speed; a measurable quantity that has both a scalar value and a direction associated with it
vector
24. an entity consisting of one or more parts that logically belong
physical system
25. the geometric space containing the point of reference
frame of reference, or reference frame
26. an imaginary line marked off in distance units
coordinate axis
27. physicists split mechanics into 3 parts:
kinematics, dynamics, statics

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 Author: jkhulstein2 ID: 241384 Filename: IPC Chapter 4 Updated: 2013-10-18 18:23:25 Tags: science Folders: Description: IPC Chapter 4 Show Answers:

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