. 17.9 Each of the gears A and B has a weight of 5 lb and a radius of gyration of 4 in., while gear C has a weight of 25 lb and a radius of gyration of 7.5 in. A couple M of magnitude 6.75 lb ft is applied to gear C. Deter- mine (a) the number of revolutions of gear C required for its angular veloc- ity to increase from 100 to 450 rpm, (b) the corresponding tangential force acting on gear A. 4 in 10 in Fig. P17.9 4 in.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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17.9 Each of the gears A and B has a weight of 5 lb and a radius of
gyration of 4 in., while gear C has a weight of 25 lb and a radius of gyration
of 7.5 in. A couple M of magnitude 6.75 lb ft is applied to gear C. Deter-
mine (a) the number of revolutions of gear C required for its angular veloc-
ity to increase from 100 to 450 rpm, (b) the corresponding tangential force
acting on gear A.
4 in
10 in
Fig. P17.9
Transcribed Image Text:▸ 17.9 Each of the gears A and B has a weight of 5 lb and a radius of gyration of 4 in., while gear C has a weight of 25 lb and a radius of gyration of 7.5 in. A couple M of magnitude 6.75 lb ft is applied to gear C. Deter- mine (a) the number of revolutions of gear C required for its angular veloc- ity to increase from 100 to 450 rpm, (b) the corresponding tangential force acting on gear A. 4 in 10 in Fig. P17.9
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