Key Words Flashcards
Scalars
Something that has a size (magnitude)
Vector
Something that has a size and direction
Distance
A scalar quantity that refers to how much ground and object has covered during its movement
Displacement
Is a vector quantity that refers to how far out of place an object is it is the objects overall change
Speed
m/s is a scalar quantity that refers to how fast an object is moving
Velocity
m/s with a direction is a vector quantity that refers to the rate at which an object changes its position
Acceleration
A vector quantity the rate at which and object changes its velocity. An object is accelerating if it is changing velocity.
Force
Push or pull upon an object resulting from the objects interaction with another object.
Mass
Scalar the amount of substance
Momentum
product of the mass of a particle and its velocity
Eight energy stores
Kinetic
Gravitational potential
Elastic potential
Internal (thermal)
Magnetic
Chemical
Electrostatic
Nuclear
Energy transfers
Heating
Work done by forces (friction,gravity)
Work done when a current flows
By radiation (light waves)