When a weightlifter remains stationary with a weight lifted over his head, how much work does he do ?

When a weightlifter remains stationary with a weight lifted over his h

1.	When a weightlifter remains stationary with a weight lifted over his head, how much work does he do ?
Answer» SOLUTION :To lift a weight mg above HISHEAD through a HEIGHT h, work MGH has to be done against gravity . But when the weight is held stationary above his head, no displacement occurs and no work is done by the lifter at that stage.