17. Which statement accurately describes the interaction between the poles of two bar magnets?
A A north pole repels a south pole.
B A north pole attracts a north pole
OC A north pole attracts a south pole.

A200-n force is applied to the foot-operated air pump. the return spring s exerts a 2.6-n·m moment on member oba for this position. determine the corresponding compression force c in the cylinder bd. if the diameter of the piston in the cylinder is 40 mm, estimate the air pressure generated for these conditions. state any assumptions. enter a positive number for the compression force c.