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6.2.2 Potential Energy
It is the energy that a body possesses because of its position or condition.
potential energy (E ) = mgh
p
Where : m = body mass (kg).
-2
g = gravitational acceleration(ms ).
h = body high/position (m).
6.2.3 Kinetic Energy
It is the energy caused by the movement of a body. It is equivalent to the work done by the body.
Consider the below figure:
Suppose a force F N acts on a body of mass m kg and converts the velocity of the body from 0
-1
-2
-1
ms to v ms with the acceleration a ms with the distance traveled s m.
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