Definitions
branch of science concerned with matter and energy and the interaction between them
physics
distance / time=
speed
velocity of an object will remain constant if and only if the net force acting on the object is zero
Newtons first law
The branch of physics associated with the description of motion
Kinematics
any influence that causes an object to undergo a change in velocity
force
change in an object's position with respect to time
motion
displacement / time=
velocity
tendency of an object to resist a change in velocity
inertia
Friction opposes the initiation of motion; it is the frictional resistance that must be overcome to cause a stationary object to start moving
static friction
state of an object when the net force acting on an object is zero
equilibrium
quantity described by magnitude and direction
vector
Gravity; acceleration of a free falling object=
-9.8m/s
object of mass subjected to a force will undergo an acceleration (F=ma)
Newton's Second Law
A method of writing or displaying numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10.
ex. 6.02*10^-11
scientific notation
total momentum during an interaction does not change; momentum is conserved for an isolated system
Law of Conservation of Momentum
change of velocity with respect to time; rate of change of velocity vector
acceleration
mc Δ T=
Q/Heat energy
when one object exerts a force on another, the second object exerts a force on the first and the two create an action/reaction pair
newton third law
Which scientist said heavier objects fall faster?
Aristotle
acceleration directed toward the center of the circle
centripetal acceleration
motion in which acceleration is only due to gravity
projectile motion
W/t or work/time=
Power
Quadruple Points- a measure of how a function changes as its input changes
derivative
slope of tangent of a displacement vs time graph, at that instant in time
instantaneous velocity
rotational equivalent to force
torque