The work done to hold a weight of 20 kg at a height of 1 m above the ground is zero Joules. When an object is held stationary, there is no displacement, so no work is done against gravity.
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The work done to hold a weight of 20 kg at a height of 1 m above the ground is zero Joules. When an object is held stationary, there is no displacement, so no work is done against gravity.