Vl. ENERGY Flashcards
1
Q
Ability to do work
A
Energy
2
Q
Energy of a body due to its position or shape
A
Potential Energy (PE)
3
Q
Gravitational PE
A
GPE
4
Q
GPE = ?
A
mgh [mass(grams) - Acceleration (due to gravity) - height]
5
Q
Elastic PE
A
EPE
6
Q
EPE =?
A
1/2 kx²
7
Q
spring constant
A
k
8
Q
displacement of spring
A
x
9
Q
Energy of a moving body
A
Kinetic Energy
10
Q
Formula of Kinetic Energy (KE)
A
KE = 1/2 mv²
11
Q
The total amount of energy isolated from the rest of the universe always remains constant but can change from one form to another
A
Law of Conservation of Energy
12
Q
Types of Flow of Energy
A
Conduction, Convection, Radiation
13
Q
Transfer of energy by direct contact
A
Conduction
14
Q
transfer of energy by the movement of hot fluid from one place to another.
A
Convection
15
Q
Transfer of heat energy through light rays
A
Radiation
