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MaxineYes, gravitational potential energy can be negative. This can occur when the reference point for measuring potential energy is set at a lower height than the system. This means that the system has less potential energy relative to the reference point, resulting in a negative value.
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Is a pulley system an example of gravitational potential energy?
Yes, a pulley system is an example of gravitational potential energy. When you lift an object using a pulley system, you are storing potential energy in the object due to its position relative to the Earth's gravitational field.
Gravitational potential energy a part of internal energy?
No, gravitational potential energy is not part of internal energy. Internal energy refers to the total kinetic and potential energy of the particles within a system, while gravitational potential energy arises from the position of an object in a gravitational field.
Is everything that is not part of system is gravitational potentail energy?
No, not everything that is not part of a system is gravitational potential energy. Gravitational potential energy refers specifically to the energy stored within an object due to its position in a gravitational field. Other forms of energy, such as kinetic energy, thermal energy, and chemical energy, can exist outside of a system as well.
What units are used for gravitational potential energy?
Gravitational potential energy is typically measured in joules (J) in the International System of Units (SI).
How can potential energy be negative in a physical system?
In a physical system, potential energy can be negative when the reference point for measuring energy is set at a higher level than the actual energy of the system. This can happen when the system has less energy than the reference point, resulting in a negative potential energy value.
