Q2. Figure Q2 shows a simple gear train. At the instant shown, a force F = 1100 N is applied at one end of a 0.175 m long lever, perpendicular to the length of the lever. The other end of the lever is attached to shaft 1, and so the lever turns shaft 1. Gear A is attached to shaft 1 and has 48 teeth. Gear A is meshed with gear B, which has 16 teeth. a) What is the gear ratio from gear A to gear B? The efficiency of power transmission between the two gears is 70%. The moment of inertia of shaft 1, including the lever and gear A is 1.05 kgm² and the moment of inertia of gear B is 0.15 kgm². The frictional torque on shaft 1 is 0.2 Nm and the frictional torque on gear B is 0.7 Nm. If, at the instant show, the lever is moving downwards with a velocity of 1.4 m/s and an acceleration of 0.15 m/s², determine: b) the torque transmitted to gear A. c) the torque transmitted to gear B. d) the power transmitted to gear B. 1100 N 1.4 m/s 0.15 m/s² Lever 0.175 m Gear A Gear B

Q2. Figure Q2 shows a simple gear train. At the instant shown, a force F = 1100 N is applied at one end of a 0.175 m long lever, perpendicular to the length of the lever. The other end of the lever is attached to shaft 1, and so the lever turns shaft 1. Gear A is attached to shaft 1 and has 48 teeth. Gear A is meshed with gear B, which has 16 teeth. a) What is the gear ratio from gear A to gear B? The efficiency of power transmission between the two gears is 70%. The moment of inertia of shaft 1, including the lever and gear A is 1.05 kgm² and the moment of inertia of gear B is 0.15 kgm². The frictional torque on shaft 1 is 0.2 Nm and the frictional torque on gear B is 0.7 Nm. If, at the instant show, the lever is moving downwards with a velocity of 1.4 m/s and an acceleration of 0.15 m/s², determine: b) the torque transmitted to gear A. c) the torque transmitted to gear B. d) the power transmitted to gear B. 1100 N 1.4 m/s 0.15 m/s² Lever 0.175 m Gear A Gear B

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Concept explainers

Power Transmission Elements

It is defined as the energy transfer from one location to another location. The energy will start moving from the energy generation source to the energy applied position to obtain the work output. From this method, a large amount of electric energy moves from the power station to various electrical substations.

Question

Q2. Figure Q2 shows a simple gear train. At the instant shown, a force F = 1100 N is
applied at one end of a 0.175 m long lever, perpendicular to the length of the lever.
The other end of the lever is attached to shaft 1, and so the lever turns shaft 1. Gear
A is attached to shaft 1 and has 48 teeth, Gear A is meshed with gear B, which has
16 teeth.
a) What is the gear ratio from gear A to gear B?
The efficiency of power transmission between the two gears is 70%. The moment
of inertia of shaft 1, including the lever and gear A is 1.05 kgm² and the moment of
inertia of gear B is 0.15 kgm². The frictional torque on shaft 1 is 0.2 Nm and the
frictional torque on gear B is 0.7 Nm. If, at the instant show, the lever is moving
downwards with a velocity of 1.4 m/s and an acceleration of 0.15 m/s², determine:
b) the torque transmitted to gear A.
c) the torque transmitted to gear B.
d) the power transmitted to gear B.
1100 N
1.4 m/s
0.15 m/s²
ME22002
Lever
0.175 m
Gear A
Gear B
Figure Q2
END OF SECTION A
QUESTIONS CONTINUE ON NEXT PAGE IN SECTION B
Page
Tem (9 +a)
3 of 10

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