a) Yes, an object-Earth system can have kinetic energy and not gravitational potential energy. This is because kinetic energy is the energy of motion, and an object can be moving without being affected by the gravitational pull of the Earth.
b) Yes, an object-Earth system can have gravitational potential energy and not kinetic energy. This is because gravitational potential energy is the energy stored in an object due to its position relative to the Earth's gravitational field, and an object can be stationary and still be affected by the gravitational pull of the Earth.
c) Yes, an object-Earth system can have both types of energy at the same moment. This is because kinetic energy is the energy of motion, and gravitational potential energy is the energy stored in an object due to its position relative to the Earth's gravitational field. An object can be moving and still be affected by the gravitational pull of the Earth.
d) No, an object-Earth system cannot have neither kinetic energy nor gravitational potential energy. This is because kinetic energy is the energy of motion, and gravitational potential energy is the energy stored in an object due to its position relative to the Earth's gravitational field. An object must have at least one of these two types of energy in order to exist.
Explain each of the following questions.
( a) Can an object– Earth system have kinetic energy and not gravitational potential energy?
( b) Can it have gravitational potential energy and not kinetic energy?
( c) Can it have both types of energy at the same moment?
( d) Can it have neither?
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