For the shown gear train hoist, the hoist carrying a load of xxx kg (xxx is the last three digits in your student ID No.) with vertical speed of 5 m/min. and the drum diameter is 200 mm. The hoist is operated manually through the given planetary gear train having spur gears of 5 mm module and with the following teeth number: ZB= 18 T Zc=24 T ZD=18 T You are required to submit the following: a. Find the power required to raise the load. b. Number of teeth on gear E. c. Input speed through the manual handle. d. Design safety factor of Gear B, assume its material endurance strength= 140 MPa. e. Diameter of shaft I (gear B shaft). f. Hand force, F. 250 Bearings 300 50 F W 200 V=5m/min W= XXX kg