Flashcard Set Preview
Side A  Side B  
1 
Momentum

An object traveling at a specific velocity has a qauntity. (all moving objects)


2 
Conservation of momentum

The total momentum of an isolated system is always constant. When two objects collide, they...


3 
Newton's First Law

Inertia, which states that objects in motion tend to stay in motion, and objects at rest tend...


4 
Newton's Second Law

Describes the relationship between force, mass, and acceleration.States that the force applied...


5 
Newton (N)

The unit that represents a force that accelerates a mass of 1 Kilogram 1meter per second.


6 
Joule

Is the unit of energy equal to the work done by a force of one newton acting over a distance...


7 
Friction

is the force that opposes the relative motion or tendency of such motion of two surfaces in...


8 
Gravity

the force of attraction between all masses in the universe


9 
Weight

is the force exerted upon an object by virtue of its position in a gravitational field


10 
Leverarm

The distance from the axis of rotation to the point where the force is exerted


11 
Torque

the ability of a force that is applied perpendicularly to rotate an object around and axis,...


12 
Energy

Defined as the abilit to do work.


13 
Kinetic energy

energy associated with motion.


14 
Potential energy

is the stored energy that a body has because of its position. ex. when you lift an object up


15 
Work

defined as the product of the force applied to a object and the distance through which the...


16 
Power

is the rate at which work is done.


17 
inclined plane

a slanted surface used to raise an object.


18 
Wedge

a moving incined plane


19 
Screw

an inclined plane wrapped around a clinder


20 
Lever

A simple machine that is free to move around a fulcrum when force is applied.


21 
Pulley

A chain or rope wrapped around a wheel.


22 
Wheel and axel

a lever that rotates in a circle


23 
compound machine

a combination of two or more simple machines.


24 
Efficiency

is the work done divided by the energy used to power the machine, or the comparison of work...
