Question

ÃI = A atmospheric pressure C gauge pressure N/m e. absolute pressure 23. When atmospheric pressure increases, what happens to the absolute pressure at the bottom of a pool? a. It does not change. b. It increases by a greater amount. c. It increases by a lesser amount. d. It increases by the same amount. e. It depends on the depth of the pool. 24. A 500-N weight sits on the small piston of a hydraulic machine. The small piston has area 2.0 cm. If the large piston has area 40 cm, how much weight can the large piston support? a. 40000 N 500120 b. 500 N c. 1000 N d. 10000 N e 25 N 25. A 13000 N vehicle is to be lifted by a 25 cm diameter hydraulic piston. What force needs to be applied to a 5.0 cm diameter piston to accomplish this? a. 13000 N b. 2600N c. 260 N d. 520 N e. 5200 N 26. If an external pressure is applied to a confined fluid, the pressure at every point within the fluid increases by that amount. a. True b. False F, Az = FzAz you Fc 500(20)= Fz (40) (CN=2 Fz (5. 13002.25) = 1300l Page 3

Answer 1

AiR 20m Apzuocm 63yenali Pressane A PER 17 AZ SoO 17 Fr 1000ON 2 qetiom( ihiht amseuer Dr 2Sc E 13000N CA=.O fi A AI 13 000 1 13000 x(s) fE S20N 12.52 Srignt amsu eptien 2 t is