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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: A weather balloon is tethered by the lines AB, AC, and
AD. The mass of the balloon and the gas it contains is 80 kg, and the (upward) buoyancy force on the balloon is
1000 N. ﬂirt—d: (a) Draw a free body diagram of particle A.
(b) Write force vectors FAB, FAC,‘ FAD and Fb in terms of
their unknown tensions.
(e) Estimate the tensions in lines AB, AC and AD.
(d) Set up the equilibrium equations and (if time permits)
solve for the unknown tension in each line. ...
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- Spring '08