The gravitational potential energy does not change if the desk is horizontal. The work done is in overcoming the friction between the object and the desk.
Gravitational potential energy depends on the difference of height. If the length of the ramp is changed, but the endpoints have the same difference in height, there won't be any change in gravitational potential energy. If, on the other hand, the change is done in a way that the height does change, then gravitational potential energy will also change.
I assume you mean the gravitational potential energy. This is proportional to the mass, so if you change the mass by a factor of "a", the gravitational potential energy will change by the same factor of "a".
Gravitational energy Potential energy
Potential energy and gravitational potential energy are different from each other ."Potential energy is the ability of a body to do work." Anddue_to_its_height.%22">"Gravitational potential energy is the ability of a body to do work due to its height."Gravitational potential energy is a type of potential energy.
The answer depends on the situation. For example, the sum of the kinetic and gravitational potential energy of an aircraft which is taking off will increase.
Gravitational potential energy depends on the difference of height. If the length of the ramp is changed, but the endpoints have the same difference in height, there won't be any change in gravitational potential energy. If, on the other hand, the change is done in a way that the height does change, then gravitational potential energy will also change.
I assume you mean the gravitational potential energy. This is proportional to the mass, so if you change the mass by a factor of "a", the gravitational potential energy will change by the same factor of "a".
Gravitational potential energy is not equal to kinetic energy:MGY doesn't always equal (1/2)mv2. This holds true in the CHANGE of gravitational potential energy being equal to the CHANGE in kinetic energy because of the Law of Conservation of Energy, Mass, and Charge.
Gravitational energy Potential energy
Gravitational energy is the potential energyassociated with the gravitational field.
On a level surface, the gravitational potential energy will remain constant. If you start travelling down a hill then a proportion of the gravitational energy will change to kinetic energy. If you were to drive off a cliff, then all of the gravitational potential energy would convert into kinetic energy.
Potential energy and gravitational potential energy are different from each other ."Potential energy is the ability of a body to do work." Anddue_to_its_height.%22">"Gravitational potential energy is the ability of a body to do work due to its height."Gravitational potential energy is a type of potential energy.
Gravitational-potential energy.
The answer depends on the situation. For example, the sum of the kinetic and gravitational potential energy of an aircraft which is taking off will increase.
It is a type of potential energy, but there are other types of potential energy, too.
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An object gets gravitational potential energy by