A gear made of aluminum (modulus of elasticity = 69,000 MPa) is press fitted onto an aluminum shaft. The gear has a diameter of 55 mm at the base of its teeth. The nominal internal diameter of the gear = 30 mm and the interference = 0.10 mm.
Compute:
(a) the radial pressure between the shaft and the gear, and
(b) the maximum effective stress in the gear at its inside diameter.