Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
32 Cards in this Set
- Front
- Back
fluid friction
|
friction that occurs as an object moves through a fluid
|
|
force
|
a push or a pull
|
|
friction
|
the force that one surface exerts on another when the two surfaces rub against each other
|
|
gravitational potential energy
|
potential energy that depends on the height of an object
|
|
gravity
|
the force that pulls objects toward each other
|
|
inertia
|
the tendency of an object to resist and change in its motion
|
|
instantaneous speed
|
speed at any given moment
|
|
international system of units
|
a system of measurment based on multiples of ten and on established measures of mass length and time
|
|
joule
|
a unit of work equal to one newton-meter
|
|
kinetic energy
|
energy that an object has due to its motion
|
|
law of conservation of energy
|
energy cannot be created or destroyed
|
|
la of conservation of momentum
|
in the absencse of outside forces the total momentum of objects that interact does not change
|
|
matter
|
anything that has mass and takes up space
|
|
metric system
|
system of measurements based on the meter
|
|
momentum
|
the product of an object's mass and velocity
|
|
motion
|
the state in which one object's distance from another is changing
|
|
net force
|
the overall force on an object when all the individual forces acting on it are added together
|
|
Newton
|
a unit of measure that equals the force required to accelerate 1 kilogram of mass at 1m/sec
|
|
nuclear energy
|
the potential energy stored in the nucleus of an atom
|
|
potential energy
|
stored energy that results for the positioin or shape of an object
|
|
power
|
the rate at which work is done
|
|
precision
|
how often measurements taken are the same
|
|
reference point
|
a place or object used for a comparison to determine if an object is in motion
|
|
rolling friction
|
friction that occurs when an object rolls over a surface
|
|
satellite
|
any object that orbits around another in space
|
|
sliding friction
|
friction that occurs when one solid surface slides over another
|
|
slope
|
the steepness of a line on a graph. rise over run
|
|
speed
|
the distance an object travels per unit of time
|
|
static friction
|
friction that acts on objects that are not moving
|
|
thermal energy
|
the total potential and kinetic enery of the particles in an object
|
|
unbalanced forces
|
forces that produce a nonzero net force, which cahnges on objects motion
|
|
velocity
|
speed in any given direction
|