A skydiver is falling at a terminal velocity before opening her parachute. After

Question

A skydiver is falling at a terminal velocity before opening her parachute. After opening her parachute, she falls at a much smaller terminal velocity. How does the total upward force before she opens her parachute compare to the total upward force after she opens her parachute? 1) The ratio of the forces is equal to the ratio of the velocities. 2) The ratio of the forces is equal to the inverse ratio of the velocities. 3) The upward force with the parachute will depend on the size of the parachute. 4) the upward force before the parachute will be greater because of the greater velocity. 5) the upward force in both cases must be the same.

Explanation / Answer

5) the upward force in both cases must be the same. since the upward force just balances the weight of the person.

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