Reading...
Play button
Play button
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;
18 Cards in this Set
- Front
- Back
|
Gravitational Energy |
potential energy associated with the gravitational field.
|
|
|
potential energy |
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors
|
|
|
Kinetic energy |
energy that a body possesses by virtue of being in motion.
|
|
|
Mechanical energy |
It is theenergy associated with the motion and position of an object.
|
|
|
conservation of energy |
Energy can neither be created nor destroyed; rather, it transforms from one form to another.
|
|
|
work |
activity involving mental or physical effort done in order to achieve a purpose or result
|
|
|
power |
ability to do or act; capability of doing or accomplishing something.
|
|
|
simple machines |
a device that transmits or modifies force or motion
|
|
|
lever |
a rigid bar that pivots about one point and that is used to move an object at a second point by a force applied at a third.
|
|
|
pulley |
a wheel, with a grooved rim for carrying a line, that turns in a frame or block and serves to change the direction of or to transmit force, as when one end of the line is pulled to raise a weight at the other end: one of the simple machines
|
|
|
incline plane |
to deviate from the vertical or horizontal; slant
|
|
|
wedge |
a piece of hard material with two principal faces meeting in a sharply acute angle, for raising, holding, or splitting objects by applying a pounding or driving force, as from a hammer
|
|
|
screw |
a metal fastener having a tapered shank with a helical thread, and topped with a slotted head, driven into wood or the like by rotating, especially by means of a screwdriver
|
|
|
mechanical advantage |
the ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine. |
|
|
effort |
exertion of physical or mental power
|
|
|
force |
physical power or strength possessed by a living being
|
|
|
resistance |
the act or power of resisting, opposing, or withstanding.
|
|
|
distance |
the extent or amount of space between two things, points, lines, etc.
|
