Q: A submerged horizontal flat plate is suspended in water by a string
A submerged horizontal flat plate is suspended in water by a string attached at the centroid of its upper surface. Now the plate is rotated 45° about an axis that passes through its centroid. Discuss...
See AnswerQ: The 0.5-m-radius semicircular gate shown in
The 0.5-m-radius semicircular gate shown in the figure is hinged through the top edge AB. Find the required force to be applied at the center of gravity to keep the gate closed.
See AnswerQ: An elastic air balloon having a diameter of 30 cm is attached
An elastic air balloon having a diameter of 30 cm is attached to the base of a container partially filled with water at +4°C, as shown in Fig. P11–41. If the pressure of t...
See AnswerQ: What is the weight, in N, of an object with
What is the weight, in N, of an object with a mass of 200 kg at a location where g = 9.6 m/s2?
See AnswerQ: Determine the specific kinetic energy of a mass whose velocity is 30
Determine the specific kinetic energy of a mass whose velocity is 30 m/s, in kJ/kg.
See AnswerQ: Reconsider Prob. 11–41. Using appropriate software, investigate
Reconsider Prob. 11–41. Using appropriate software, investigate the effect of air pressure above water on the cable force. Let this pressure vary from 0.5 MPa to 15 MPa. Plot the cab...
See AnswerQ: A 3-m-high, 5-m-wide
A 3-m-high, 5-m-wide rectangular gate is hinged at the top edge at A and is restrained by a fixed ridge at B. Determine the hydrostatic force exerted on the gate by the 5-m-high water and the location...
See AnswerQ: Repeat Prob. 11–43 for a total water height of
Repeat Prob. 11–43 for a total water height of 2 m. Data from Prob. 11-43: A 3-m-high, 5-m-wide rectangular gate is hinged at the top edge at A and is restrained by a fixed ridge at...
See AnswerQ: A semicircular 40-ft-diameter tunnel is to be built
A semicircular 40-ft-diameter tunnel is to be built under a 150-ft-deep, 800-ft-long lake, as shown in Fig. P11–45E. Determine the total hydrostatic force acting on the roof of the t...
See AnswerQ: A 30-ton, 4-m-diameter hemispherical dome
A 30-ton, 4-m-diameter hemispherical dome on a level surface is filled with water, as shown in Fig. P11–46. Someone claims that he can lift this dome by making use of Pascalâ&#...
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