Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Notecards keynotes
| Question | Answer |
|---|---|
| Motion | A change in position |
| Position | A reference to where something is |
| Time | How long it takes for something to move from one position to another |
| Speed | The rate of change in position, rate of motion |
| Instantaneous Speed | The rate of motion at any given instant |
| Constant Speed | The speed that doesn't vary or change |
| Average Speed | The total distance traveled divided by the total time of travel |
| Velocity | Describes both speed and direction of an object |
| Acceleration | Rate of change of velocity |
| Time Interval | Amount of time that passed while the change in velocity was taking place |
| Force | A push or pull one body exerts on another |
| Balanced Forces | Forces on an object that are equal in size and opposite in direction |
| Net Force | An object always changes the velocity of an object |
| Inertia | The tendency of an object to resist any change in motion |
| Newton's First Law | An object moving at constant velocity keeps moving at that velocity unless a net force acts on it. |
| Friction | The force that opposes motion between two surfaces that are touching each other |
| Gravity | A force |
| Weight | The measure of the force of gravity. |
| Newton | Unit to describe the force exerted by weight |
| Newton's Second Law | A net force acting on an object causes the object to accelerate in the direction of the force. |
| Air Resistance | The force air exerts on an moving object |
| Terminal Velocity | The highest velocity that will be reached by a falling object |
| Projectile | Anything thrown or shot through the air |
| Horizontal Motion | Motion across, side to side or parallel to the earth |
| Vertical Motion | Motion downward or perpendicular to the earth |
| Centripetal Acceleration | Acceleration toward the center of a curved path or circular path |
| Centripetal Force | A force acting toward the center of a curved or circular path |
| Free-falling | When an object's forces are balanced |
| Artificial Satellites | Human-made devices that orbit the earth for a specific purpose |
| Geostationary Satellites | Put into orbit above the earth at the same speed as the earth's rotation |
| Newton's Third Law of Motion | To every action force there is an equal and opposite reaction force |
| Momentum | A property of a moving object has because of its mass and velocity |
| Law of Conservation of Momentum | States that the total amount of momentum of a group of objects does not change unless outside forces acts on the objects |
| Work | Exerting a force over a distance |
| Power | The rate (or how fast) work can be done |
| Energy | The ability to do work |
| Kinetic Energy | Energy in motion |
| Gravitational Potential Energy | Depends on the object's mass, its height, and acceleration due to gravity |
| Elastic Potential Energy | Energy attained from a stretched or compressed object |
Created by:
Kurt R
Popular Physical Science sets