1 Proof that a solid aluminum block of 4 mm x 3 mm x 3 mm, such as shown in Figure Q1 (a), can float on water at 20 °C due to the effect of surface tension. The density of the aluminum block is 2700 kg/m3 . Determine the contact angle.
1 Proof that a solid aluminum block of 4 mm x 3 mm x 3 mm, such as shown in Figure Q1 (a), can float on water at 20 °C due to the effect of surface tension. The density of the aluminum block is 2700 kg/m3 . Determine the contact angle.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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1 Proof that a solid aluminum block of 4 mm x 3 mm x 3 mm, such as shown in Figure
Q1 (a), can float on water at 20 °C due to the effect of surface tension. The density of
the aluminum block is 2700 kg/m3
. Determine the contact angle.
2. A solid alloy cylinder having a diameter of 6.48 cm slides downward at a terminal
velocity of V through a vertical pipe. The downward motion is resisted by an oil film
between the piston and the pipe wall. Determine the oil viscosity when the velocity
V is 5 m/s. The inner diameter of the vertical pipe is 6.5 cm, and the alloy density is
3500 kg/m3
.
Transcribed Image Text:Figure QI (a)
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