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The space shuttle, at lift-off from the launch pad, has four forces acting on it, which are shown on the free-body diagram (Fig. P8.47). The combined weight of the two solid rocket boosters and external fuel tank is
At liftoff, the orbiter engine thrust is directed at angle
(a) Resolve the orbiter thrust
(b) Derive an equation for the resultant moment acting on the craft in terms of the angle
(c) Write a computer program to solve for the angle
(d) Repeat the program for the minimum payload weight of the orbiter of
FIGURE P8.47
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