Lucy picks up an object from the floor. How will the potential energy change if Lucy lifts the object above her head?(1 point)
Responses
The object's potential energy will decrease.
The object's potential energy will decrease.
The object's potential energy will stay the same.
The object's potential energy will stay the same.
The object's potential energy will be zero.
The object's potential energy will be zero.
The object's potential energy will increase.
The object's potential energy will increase.
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1 answer
The correct response is: The object's potential energy will increase.
When Lucy lifts the object above her head, she is increasing its height relative to the ground, which increases its gravitational potential energy. The potential energy of an object is given by the formula \( PE = mgh \), where \( m \) is the mass, \( g \) is the acceleration due to gravity, and \( h \) is the height above a reference point. As the height \( h \) increases, the potential energy also increases.
