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23 Nov 2019
If a body builder applies a force of 284.2N to hold barbell in equilibrium in air, what is the force for a body builder to suspend a barbell under water while standing waist deep in a shallow pool.
If a body builder applies a force of 284.2N to hold barbell in equilibrium in air, what is the force for a body builder to suspend a barbell under water while standing waist deep in a shallow pool.
Jean KeelingLv2
7 Jan 2019