an objects distance and direction from an earlier location. If you know an objects starting velocity and acceleration, you can calculate its displacement. Units: meters
The rate at which an object changes its position. Units: m/s
Something that has both magnitude and direction. Units m/s
an objects average speed and direction
An objects speed and direction at a particular time. Units m/s
The rate at which an objects velocity changes. You can change an objects velocity by changing its speed or direction.
an objects resistance to change in its velocity. the more inertia an object has the harder it is to change its speed or direction.
A measure of an objects inertia. If an object has a large mass it has a lot of inertia. Units: kg
push or pull
Force of gravity
the force of attraction that all objects have for each other.
the turning effect of a force. Units: meter-newton
the rate at which an object is turning. units: revolutions/minute
moment of inertia
an objects resistance to a change in angular velocity.
Units: kg x m^2
the product of an objects moment of inertia and its angular velocity. Angular momentum is CONSERVED.
1st Law of motion
an object at rest will remain at rest, an object in motion will remain in motion at a constant velocity, unless an unbalanced force is applied to it
2nd law of motion
the acceleration of an object is directly proportional to the unbalanced force applied to the object and inversely proportional to the objects mass.
3rd law of motion
for every force applied to an object, there is another force that is exactly equal in magnitude but opposite in direction applied to the other object.