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;
35 Cards in this Set
- Front
- Back
A_____ has both magnitude and direction |
vector |
|
A _____ has magnitude and no direction |
scaler |
|
______ is the size or amount of something and includes a unit of measurement |
magnitude |
|
every vector can be represented as the sum of its _____ |
components |
|
If a book sits on a table the table exerts an upward _______ on the book |
normal force |
|
the sum of two vector is called the ______ |
resultant |
|
_______ is the relationship between a spring's change in length and the force it exerts |
Hooke's Law |
|
A _______ vector shows an object's change in position |
displacement |
|
external movement around the axis |
revolves |
|
internal movement around the axis |
rotates |
|
______ is the measure of how fast an objects rotates or revolves |
angular speed |
|
An inward ____ is needed to move an object in a circle |
centripetal force |
|
the ________ describes the relationship between mass, distance, and gravitational force |
law of universal gravity |
|
an object's ____ is the average position of all the particles that make up its mass. |
control mass |
|
A ____ is made up of only one type of molecule |
compound |
|
A _____ is a physical combination of different compounds and or elements |
mixture |
|
On what scale does water boil at 100degrees and freezes at 0 degrees |
celsius scale |
|
the flow of thermal energy is called _____ |
heat |
|
heat transfer through currents in air or water is called ____ |
convection |
|
The mass of a body is the only property of that body that determines its _____ |
inertia |
|
f X t |
impulse |
|
if Sam pushes a block one meter with a force of one newton, he has done one _____ of work on the block. |
joule |
|
the ratio of the output force to the input force is called ____________. |
mechanical advantage |
|
The rate at which an appliance uses energy is indicated as the appliance's _______ |
power rating |
|
the size of a scalar or vector quantity may be called its _______ |
magnitude |
|
the vertical and horizontal components of a projectiles motion are _______ of one another |
independent |
|
the MEASURE of the average kinetic energy of the atoms in an object is called ________ |
temperature |
|
the SUM of the average kinetic energy of the atoms in an object is called _______ |
thermal energy |
|
______ results from splitting or fusing atoms |
nuclear energy |
|
When the force due to gravity equals the force due to air resistance, the speed of a falling object is called its ______. |
terminal velocity |
|
The ______ states that the total amount of momentum in a closed system cannot change. |
law of momentum conservation |
|
the mass of an object multiplied by its velocity equals its _____ |
momentum |
|
stick together: collision |
inelastic collision |
|
bounce off each other : collision |
elastic collision |
|
nothing |
nothing |