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OpenStudy (beth12345):
What is the resultant force on a falling skydiver at an instant when the force of gravity on her is 720N and he force of friction is 480N?
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OpenStudy (jamesj):
Well, what happens when you take the vector sum of those two forces? What is the net force?
OpenStudy (beth12345):
would it be 1200N
OpenStudy (beth12345):
do you know what sort of equation i would need to find the answer?
OpenStudy (jamesj):
Are the two forces acting the the SAME direction? I don't think so. So you can't just add them up together. One acts down and one acts up.
OpenStudy (beth12345):
oh so its 720N-480N=240N
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OpenStudy (beth12345):
going down
OpenStudy (jamesj):
Yes
OpenStudy (beth12345):
ok thanks
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