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Topic 1 vocab
Physics Vocabulary
| Term | Definition |
|---|---|
| Kinematics | The area of physics that deals with the mathematical methods of describing motion without regard to the forces which produce it. |
| Kilogram (kg) | The SI unit of mass equal to 1,000 grams. |
| Circumference | The perimeter or "distance" around a circle. Mathematically determined as the product of π and the diameter, or the product of π and twice the radius: C = πd = 2πr. |
| Average Speed | The average of the initial and final speeds of an object: image Speed is the magnitude of the velocity vector. |
| Kinetic Energy | The energy that an object possesses because of its motion. The kinetic energy of an object is directly proportional to its mass and also to the square of its velocity: . |
| Displacement | A vector quantity that represents the length and direction of a straight line path from one point to another. The magnitude of displacement is distance. Next |
| Velocity | A vector quantity which represents the time-rate of change in the displacement of an object: . |
| Slope Of A Graph | The ratio of the change in the vertical coordinate to the change in the horizontal coordinate. |
| Speed | A scalar quantity that represents the magnitude of velocity. It is the time-rate of change in distance: . |
| Magnitude | The size of a vector quantity, ignoring its direction. |
| Constant Velocity | Uniform unchanging velocity. |
| Second (s) | The SI unit of time. It is a fundamental unit. |
| Final Speed | The speed (magnitude of velocity) that an object ends with |
| Order Of Magnitude | A rough measure of size relationships, usually expressed as powers of 10. |
| Distance | A scalar quantity that represents the length of a path from one point to another; the magnitude of the displacement vector. |
| Acceleration | A vector quantity that represents the time-rate of change in the velocity of an object: . |
| Mass | The resistance that an object offers to a force acting upon it; the ratio of the net force acting on the object to its acceleration: m = F/a. |
| Meter (m) | The SI unit of length. It is a fundamental unit. |
| Derived Unit | A unit of measurement that can be expressed in terms of the fundamental international standard (SI) units. |
| Diameter | A chord that passes through the center of a circle; the length of a straight line segment that begins on a circle, passes through the center, and ends on the circle. |
| Average Velocity | The average velocity of uniformly accelerated object may be found by averaging its initial and final velocities. |
Created by:
jwhitm5
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