·CE Predict/Explain You jump out of an airplane and open your parachute after an extended period of free fall. (a) To decelerate your fall, must the force exerted on you by the parachute be greater than, less than, or equal to your weight? (b) Choose the best explanation from among the following:
I. Parachutes can only exert forces that are less than the weight of the skydiver.
II. The parachute exerts a force exactly equal to the skydiver’s weight.
III. To decelerate after free fall, the net force acting on a skydiver must be upward.
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