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9. An auto mechanic is raising a 200-kg car on his hydraulic lift. If the area of the input piston is 9 cm² while the area of the output piston is 630 cm², what force must be exerted on the input piston to lift the car? D. 23.57 N A. 38.57 N B. 33.57 N C. 28.57 N 10. A body of unknown mass and resting on a horizontal ground is applied an upward force of 100 N at a normal force of 96 N. Find the mass of the body. A. 21.5 kg B. 21.0 kg C. 20.5 kg D. 200 kg

9. An auto mechanic is raising a 200-kg car on his hydraulic lift. If the area of the input piston is 9 cm² while the area of the output piston is 630 cm², what force must be exerted on the input piston to lift the car? D. 23.57 N A. 38.57 N B. 33.57 N C. 28.57 N 10. A body of unknown mass and resting on a horizontal ground is applied an upward force of 100 N at a normal force of 96 N. Find the mass of the body. A. 21.5 kg B. 21.0 kg C. 20.5 kg D. 200 kg

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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9. An auto mechanic is raising a 200-kg car on his hydraulic lift. If the area of the input piston is 9 cm² while the area of the output piston is 630 cm², what force must be exerted on the input piston to lift the car? A. 38.57 N B. 33.57 N C. 28.57 N D. 23.57 N 10. A body of unknown mass and resting on a horizontal ground is applied an upward force of 100 N at a normal force of 96 N. Find the mass of the body. A. 21.5 kg B. 21.0 kg C. 20.5 kg D. 20.0 kg
Transcribed Image Text:9. An auto mechanic is raising a 200-kg car on his hydraulic lift. If the area of the input piston is 9 cm² while the area of the output piston is 630 cm², what force must be exerted on the input piston to lift the car? A. 38.57 N B. 33.57 N C. 28.57 N D. 23.57 N 10. A body of unknown mass and resting on a horizontal ground is applied an upward force of 100 N at a normal force of 96 N. Find the mass of the body. A. 21.5 kg B. 21.0 kg C. 20.5 kg D. 20.0 kg
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