In a horizontally held injection syringe, the piston of 0.2 cm² cross-sectional area is pushed at a constant speed of 1.0 cm/s to eject water into the atmosphere through a hypodermic needle of 0.07 mm² cross-sectional area while rinsing. Neglecting losses, the force required to move the piston is nearly:

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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In a horizontally held injection syringe, the piston
of 0.2 cm² cross-sectional area is pushed at a
constant speed of 1.0 cm/s to eject water into the
atmosphere through a hypodermic needle of
0.07 mm² cross-sectional area while rinsing.
Neglecting losses, the force required to move the
piston is nearly:
Transcribed Image Text:In a horizontally held injection syringe, the piston of 0.2 cm² cross-sectional area is pushed at a constant speed of 1.0 cm/s to eject water into the atmosphere through a hypodermic needle of 0.07 mm² cross-sectional area while rinsing. Neglecting losses, the force required to move the piston is nearly:
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