Question

2. An automobile weighing 3,000 lb is slowed down uniformly from 40 to 10 mph in a distance of 100 ft by a brake on the drive shaft. Rear wheels are 28-in diameter. Drive-shaft diameter is 1 in., ratio of differential is 40:11. Calculate the extreme fiber stress In drive shaft, neglecting tire, bearing and gear losses. A. 15,000 psi B. 21,900 psi C. 25,000 psi D. 29,400 psi 3. A flywheel has a diameter of 1.5 m, and mass of 800 kg. What torque in N-m, is needed to produce an angular acceleration of 100 revolutions per minute, per second? A. 225 B. 974 C. 1158 D. 2356

          2. An automobile weighing 3,000 lb is slowed down
uniformly from 40 to 10 mph in a distance of 100 ft
by a brake on the drive shaft. Rear wheels are 28-in
diameter. Drive-shaft diameter is 1 in., ratio of
differential is 40:11. Calculate the extreme fiber stress
In drive shaft, neglecting tire, bearing and gear losses.
A. 15,000 psi
B. 21,900 psi
C. 25,000 psi
D. 29,400 psi
3. A flywheel has a diameter of 1.5 m, and mass of 800
kg. What torque in N-m, is needed to produce an
angular acceleration of 100 revolutions per minute,
per second?
A. 225
B. 974
C. 1158
D. 2356

2. An automobile weighing 3,000 lb is slowed down
uniformly from 40 to 10 mph in a distance of 100 ft
by a brake on the drive shaft. Rear wheels are 28-in
diameter. Drive-shaft diameter is 1 in., ratio of
differential is 40:11. Calculate the extreme fiber stress
In drive shaft, neglecting tire, bearing and gear losses.
A. 15,000 psi
B. 21,900 psi
C. 25,000 psi
D. 29,400 psi
3. A flywheel has a diameter of 1.5 m, and mass of 800
kg. What torque in N-m, is needed to produce an
angular acceleration of 100 revolutions per minute,
per second?
A. 225
B. 974
C. 1158
D. 2356

Added by Timothy W.

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