Q2 (a) Explain TWO (2) key differences between spur gear and helical gear, and illustrate the geometry of these two gears.

What is an inflection point?

F, = 50 N F2 = = 40 N -5 45° F1 = 20 N

Please turn this into 3d drawing, measurements are not important.

Please answer part c and e onwards with working out and answer and please label the parts as you have answered a,b,d

follow up question - for the past two question. (subquestions)

I. GENERAL INSTRUCTIONS : Show complete formulas, solutions, and figures. Round off to 3 decimal places for magnitude. DO NOT FORGET YOUR UNITS. Enclose all final answers in a box. No need to copy the question or problem. File submissions should be a single PDF. II. PROBLEM SOLVING 1) Given the figures and data below, solve what is being asked for. Y-axis 200mm -200mm 50mm 50mm 100mm 200mm 100mm Y-axis Yo 200mm 100mm 3°1 100mm 547 - ATT HA LO - CHIR →→X-axis -Xo →X-axis

If drawn on an x-y plane what would it look like?

12

1A