why potential energy is mgh not. -mgh .since g is always negative
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Answer:
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The gravitational potential energy of an object can be both positive as well as negative...
There is no myth stating that gravitational potential energy is always positive...
The value of g does not mean that mgh will always be positive...
g is the value the acceleration of an object due to the gravity of a planet, which in many instances, can be negative as well...
It is taken as positive, as a body falling downwards will have a positive acceleration...
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