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April 19, 2015

Homework Help: physics

Posted by jared on Friday, February 19, 2010 at 12:18am.

A skydiver, who weighs 650 N, is falling at a constant speed with his parachute open. Consider the apparatus that connects the parachute to the skydiver to be part of the parachute. The parachute pulls upward with a force of 620 N.

Consider the skydiver and parachute to be a single system. What are the external forces acting on this system? (Select all that apply.)

a)The upward directed drag force due to the air.
b)The upward force of the parachute on the skydiver.
c)The downward directed force due to gravity.
d)The downward force of the skydiver on the parachute.

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