What should a free-body diagram look like for a skydiver who has opened his parachute and is now slowing down as he falls?
There is an arrow up for air resistance and an arrow down for gravity. The arrow up is longer than the arrow down.
There is only an arrow down for gravity.
There is an arrow up for air resistance and an arrow down for gravity. The arrows are the same length.
There is an arrow up for air resistance and an arrow down for gravity. The arrow up is shorter than the arrow down.
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