energy concept map example 2
This mind map shows a more detailed concept of energy. It tackles the different types of energy with few descriptions, the various components for each energy type, and the characteristics of the law of energy conservation. The energy concept map below provides a bird’s-eye view of how energy functions. Despite all the information in the diagram, the creator made sure to use colors to classify each category.
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governed by
Law of conservation
Energy
states that


a mathematical example
A 60 kg dilver at an initial height of 5m leaps off the board to fall freely into the water. when he reaches a height of 1m above the water
calculate his velocity.assume negligible air resistance.
initial P.E = P.E at 1m +K.E at 1m
(60)*(10)*(5)= (60*10*1)+(1/2*60*v*v)
Therefore, V = (8.94) m/s



Potential
energy
Gravitational
potential energy
definition
Energy an object has because of its position
is calculated using
Mass (kg)* Gravitation Force (N) * Height (m)
can be illustrated by
A 60kg man standing at the edge of a
20m high cliff will have a potential energy of
60 * 10 * 20 = 12000 J
include
Elastic
potential energy
definition
Energy an object has when
it is streched or compress
Chemical potential energy


definition
Energy that flow from a refgion
of higher to lower temprature

definition
energy produced when
object vibrate

definition
Energy that enable us to see


definition
Energy a body has due to its motion
is calculated using
1/2 * mass (kg) * Velocity (m/s) *Velocity (m/s)
can be illustrated by
A 60kg man running at a speed of
10 m/s will have a kinetic energy of
1/2 * 60 * 10 * 10 = 3000 J

definition
Energy that result from the flow of charged particle (electron)
is calculated using
Power (W) * Time (s)
can be illustrated by
A 70 watt fan is turned on for 1 minute will consume an electrical energy of
70*60=4200 J