Hollywood physics

Classical Mechanics Level 1

The Mission Impossible movies are typically filled with stunts that live on the edge of what seems possible. In the recent movie Ghost Protocol, one stunt involves an agent wearing a funky high-tech metal suit (it looks like some sort of chainmail). The agent is levitated off the floor using magnetic forces between the agent and a small robot sitting on the ground.

If I wanted to suspend a \(90~\mbox{kg}\) secret agent in midair, what vertical force in Newtons must I exert on the agent, electromagnetic or otherwise?

Details and assumptions

  • The acceleration due to gravity is \(-9.8~\mbox{m/s}^2\).

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