(a) A 350-N force is applied to piston X with a diameter of 6 cm, as shown in Figure Q1(a). Determine the magnitude of the force that can be resisted by piston Y. Given that piston Y has a diameter of 20 cm. Assuming that the weights of the pistons are negligible. F = 420 N

Elements Of Electromagnetics
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4. (a) A 350-N force is applied to piston X with a diameter of 6 cm, as shown
in Figure Q1(a). Determine the magnitude of the force that can be
resisted by piston Y. Given that piston Y has a diameter of 20 cm.
Assuming that the weights of the pistons are negligible.
F = 420 N
Piston X
(d= 6 cm)
Air space
P
surface
Figure Q1(a)
(b) A closed vessel contains 50 cm of water (water = 9,790 N/m³) and 20
cm of mercury (Ymercury = 132,885 N/m³) with an air space on top, as
shown in Figure Q1(b). It is found that the absolute pressure at the
water-mercury interface is recorded at 0.7 bar. Determine the pressure
at the water surface and the pressure at the bottom of the vessel.
water
interface
= 0.7 bar abs
Mercury
F
bottom
Figure Q1(b)
50cm
Piston Y
(d = 20 cm)
20cm
Transcribed Image Text:4. (a) A 350-N force is applied to piston X with a diameter of 6 cm, as shown in Figure Q1(a). Determine the magnitude of the force that can be resisted by piston Y. Given that piston Y has a diameter of 20 cm. Assuming that the weights of the pistons are negligible. F = 420 N Piston X (d= 6 cm) Air space P surface Figure Q1(a) (b) A closed vessel contains 50 cm of water (water = 9,790 N/m³) and 20 cm of mercury (Ymercury = 132,885 N/m³) with an air space on top, as shown in Figure Q1(b). It is found that the absolute pressure at the water-mercury interface is recorded at 0.7 bar. Determine the pressure at the water surface and the pressure at the bottom of the vessel. water interface = 0.7 bar abs Mercury F bottom Figure Q1(b) 50cm Piston Y (d = 20 cm) 20cm
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