The gravitational potential energy of an object is directly proportional to its height above the ground
Explanation:
The gravitational potential energy (GPE) of an object is the amount of energy possessed by the object due to its position in a gravitational field.
Near the Earth's surface, the GPE of an object is given by:
[tex]GPE=mgh[/tex]
where:
m is the mass of the object
[tex]g=9.8 m/s^2[/tex] is the acceleration of gravity
h is the heigth of the object measured relative to the ground
As we see from the equation, the GPE is directly proportional to h, the height above the ground. This means that:
- If the object is lifted (h increases), its GPE also increases
- If the object is lowered (h decreases), its GPE also decreases
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