SC20F Physics Unit Vocabulary
Vocabulary from the Physics unit.
Terms in this set (32)
Motion that does not change in speed or direction.
How fast something is moving.
The speed and direction of motion of an object.
How much an object's velocity changes.
When an event occurs.
An object's location from the perspective of an observer.
The total length of an object's journey along every twist and turn of the path.
The change in position of an object.
Said heavier objects fall faster than lighter objects, and all motion is straight and linear.
Said falling objects fall at varying rates due to air friction.
What is required to start and stop the motion of objects. It is not required to keep objects in motion.
When there is equal force on an object and it does not move.
When a force is not opposed by an equal and opposite force, thus causing an object to move.
The force applied to a body.
The force that a body exerts as a result of the action force.
Newton's First Law of Motion / Law of Inertia
An object in motion stays in motion, and an object at rest stays at rest, unless an unbalanced force acts.
Newton's Second Law of Motion
When an unbalanced force acts on an object, the object will accelerate in the direction of the unbalanced force.
Newton's Third Law of Motion
For every action, there is an equal and opposite reaction.
The ability to do work.
Energy of motion.
Energy of position.
Energy of temperature differences.
Energy from electromagnetic radiation.
Energy transferred through vibrations in the air, water, etc.
The force that resists motion between two objects in contact with one another.
The force that prevents a stationary object from moving.
The resistance one body meets when sliding past the surface of another object.
The friction between a rolling object and the surface it is rolling on.
The force that prevents an object from moving through air or water.
The tendency of an object to resist changes in motion.
The force applied over a certain period of time.
The product of mass and the change in velocity. It is a quantity of motion.
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