Question

3. The shaft is subjected to 2 torques. Find the reactions at the fixed supports A and B 500 N·m D 0.3 m D = 20mm 800 N·m C 1.5 m B 0.2 m The gears attached to the fixed-end steel shaft are subjected to the torques shown in the figure. If the shear modulus of elasticity is 80 GPa and the shaft has a diameter of 14 mm, determine the displacement of the tooth P on gear A. The shaft turns freely within the bearing at B. E 40 N·m D 280 N·m C 0.5 m 0.3 m 150 N·m B P 100 mm 0.4 m A Assumption: Bearing reactions on the shaft are zero, provided the shaft's weight is neglected.

          3.
The shaft is subjected to 2 torques.
Find the reactions at the fixed supports A and B

500 N·m
D
0.3 m
D = 20mm
800 N·m
C
1.5 m
B
0.2 m

The gears attached to the fixed-end steel shaft are subjected to the torques shown in the figure. If the shear modulus of elasticity is 80 GPa and the shaft has a diameter of 14 mm, determine the displacement of the tooth P on gear A. The shaft turns freely within the bearing at B.

E
40 N·m
D
280 N·m
C
0.5 m
0.3 m
150 N·m B
P
100 mm
0.4 m
A

Assumption: Bearing reactions on the shaft are zero, provided the shaft's weight is neglected.

3.
The shaft is subjected to 2 torques.
Find the reactions at the fixed supports A and B

500 N·m
D
0.3 m
D = 20mm
800 N·m
C
1.5 m
B
0.2 m

The gears attached to the fixed-end steel shaft are subjected to the torques shown in the figure. If the shear modulus of elasticity is 80 GPa and the shaft has a diameter of 14 mm, determine the displacement of the tooth P on gear A. The shaft turns freely within the bearing at B.

E
40 N·m
D
280 N·m
C
0.5 m
0.3 m
150 N·m B
P
100 mm
0.4 m
A

Assumption: Bearing reactions on the shaft are zero, provided the shaft's weight is neglected.

Added by Pamela M.

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