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Unformatted text preview: ME 270 - Basic Mechanics I - Group Quiz Name/Group #: .____________ Group Members: 1) _._____. 2)
Date: _ Period: _______ 3) _______ 4) GIVEN: The dam shown has a pin support at A, a roller
support at B and a water depth of 4 ft on one side.
The width of the dam (the dimension into the page) is 8 ft. The speciﬁc weight (pg) of the
water is 62.4 lb/ft3. FIND: (a) Draw a sketch of the dam showing a side View of the
pressure distribution across all three surfaces. (b) Calculate a single force equivalent for each of the
three surfaces and draw a sketch showing the loca—
tion of each of the equivalent forces. (c) Neglecting the weight of the dam, what are the reac—
tions at A and B? SOLUTION: _ _-'.'.‘_A.Zc§i EXEZQZSZZQI;£._-;Q_;:L: W -- -_ . 29110. (.1) _+ 3Q00..(a387)_.._.,___m_ ...
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