QUIZ 4.2 Flashcards
work=
SCALAR QUANTITY = MAGNITUDE ONLY
joules is in honor of =
JAMES PRESCOTT JOULE
who is the guy that introduced work
GASPARD CORIOLIS
moves under influence of force
WORK
if there is J what is the formula
0COS-1=W/FD
expressed in joules/ergs
ENERGY
energy =
SCALAR ENERGY
energy ___ from one form to another
CAN CHANGE
energy ___ be ____ nor ____
CANT CREATED/ DESTROYED
energy possessed by its body due to its position
GRAVITATIONAL POTENTIAL ENERGY
energy possessed by spring or rubber
ELASTIC POTENTIAL ENERGY
x=
ELONGATION OF SPRING
k=
FORCE CONSTANT OF SPRING
unit of measurement for elastic potential energy =
N/m
bigger k=
SPRING CANT BE ELONGATED OR COMPRESSED EASILY
energy possessed by its body because of motion
KINETIC ENERGY
watt named after=
JAMES WATT
often defined as the ability to do work
* the sum of potential and kinetic energy
MECHANICAL ENERGY
