Motion And Forces Flashcards
What is acceleration
The rate over how velocity changes over time
What is a reference point
Location to witch an object is compared
Speed means…
A measure of how fast something moves
What is motion
A change of position over time
Velocity means…
Speed in a specific direction
What does position mean
An object’s location
What is a vector
A quantity of both size and direction
Force is…
A push or pull
Newton’s first law is…
Objects at rest stay at rest and objects in motion stay in motion
What is net force
The over all force on an object
Inertia is…
The resistance of an object to changing speed
Newton’s second law…
The acceleration of an object changes with the force
Newton’s third law is…
Every time an object exerts force there is an equal or opposite force
Centripetal force is
A force that moves in a circle
