Visit http://auto.howstuffwork.com/differential.htm to understand the need for a
ID: 1718538 • Letter: V
Question
Visit http://auto.howstuffwork.com/differential.htm to understand the need for a differential. Then visit http://auto.howstuffworks.com/differential2.htm to see the reduction through the differential when the car is rolling straight and turning. Then, answer the following questions: a. When a vehicle is driving down a straight road, the bevel gears within the differential rotate in: i. opposite directions ii. do not rotate iii. same direction b. When a vehicle is driving down a straight road, the differential gear ratio (omega_n/omega_m) is: i. less than one ii. equal to one iii. greater than one c. When a vehicle is driving down a straight road, the differential applies i. more torque to each wheel ii. less iii. the same d. When a vehicle is turning, the differential allows the the outside wheels to rotate i. faster than the inner wheels. ii. the same as iii. slower than e. When a vehicle is turning, the differential applies i. more torque to each wheel. ii. less iii. the same f. Some differentials that use various met isms to allow normal differential action when going around turns. When a wheel slips, they allow more torque to he transferred to the non-slipping wheel. These are called i. non-slip differentials ii. posit action iii. anti-lock braking 2. The gears shown arc 4-pitch. 25* pressure angle. The 14 tooth pinion rotates clockwise at 800 rpm and transmits 10 hp to a 28 tooth idler gear. The idler, in turn, mates with a 20 tooth output gear. Knowing that gear contact forces are transmitted along the pressure angle, determine the force onto the idler shaft.Explanation / Answer
a) opposite direction
b) greater than one
c) the same
d) outside whees rotates faster than inner wheels
e) the same
f) anti lock braking
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