Answer :
Final answer:
The force needed to prevent a body of mass 10 kg from falling is 98 N.
Explanation:
To prevent a body of mass 10 kg from falling, a force equal to its weight needs to be applied in the opposite direction. The weight of an object can be calculated by multiplying its mass by the acceleration due to gravity, which is approximately 9.8 m/s². Therefore, the force needed to prevent the body from falling is equal to 10 kg x 9.8 m/s² = 98 N.
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