The type of energy is stored in the barbell when it is held above the weightlifter's head is gravitational potential energy.
This is the type of energy possessed by an object due to its position above te ground level.
Potential energy of an object is given by the following formulas;
P.E = mgh
where;
Thus, the type of energy is stored in the barbell when it is held above the weightlifter's head is gravitational potential energy.
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