Posted by mike on Saturday, October 25, 2008 at 6:25pm.
Centripetal force = M v^2/R = Weight +/- (seat force)
A + sign applies at the top of the loop and a minus sign applies at the bottom.
The weight is M g. M is the pilot's mass. The airplane's mass does not matter. Solve for the seat force
Thank you for giving both speed and radius this time:
Ac = v^2/r
at the top
force on seat = m (v^2/r - g)
= 92 (155^2/596 -9.8)
= 2806 N
at the bottom
m (v^2/r + g)
=92 (155^2/596 +9.8) = 4610 N
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