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To hover above the Earth, a superhero weighing 75 kg must exert an upward force equal to their weight to counteract gravity. The force due to gravity can be calculated using the formula ( F = mg ), where ( m ) is the mass (75 kg) and ( g ) is the acceleration due to gravity (approximately 9.81 m/s²). Thus, the required force is ( 75 , \text{kg} \times 9.81 , \text{m/s}^2 ), which equals about 735.75 N. Therefore, the superhero needs to generate an upward force of approximately 736 N to hover.

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