18. As the angle of a wheelchair ramp is changed from 15" to 12" a. The AMA will increase. b. The IMA will increase. c. The AMA will decrease. d. The IMA will decrease. For any machine, as the friction of the moving parts increase 19. a. the AMA and the % efficiency decrease. b. the AMA and the % efficiency increase. c. the AMA increases but % efficiency decreases. d. the AMA decreases but % efficiency increases. 20. If the load gear in a set of gears is replaced by a gear with less teeth, then a. The IMA will increase. b. The IMA will decrease. C. The IMA will not change because it is only affected by the size of the force. d. The IMA will not change because it is only affected by the speed of the gears.
18. As the angle of a wheelchair ramp is changed from 15" to 12" a. The AMA will increase. b. The IMA will increase. c. The AMA will decrease. d. The IMA will decrease. For any machine, as the friction of the moving parts increase 19. a. the AMA and the % efficiency decrease. b. the AMA and the % efficiency increase. c. the AMA increases but % efficiency decreases. d. the AMA decreases but % efficiency increases. 20. If the load gear in a set of gears is replaced by a gear with less teeth, then a. The IMA will increase. b. The IMA will decrease. C. The IMA will not change because it is only affected by the size of the force. d. The IMA will not change because it is only affected by the speed of the gears.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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