A 7650-kg helicopter accelerates upward at 0.80 m/s2
Chapter 4, Problem 4.78(choose chapter or problem)
A 7650-kg helicopter accelerates upward at 0.80 m/s2 whilelifting a 1250-kg frame at a construction site, Fig. 4-59.(a) What is the lift forceexerted by the air onthe helicopter rotors?(b) What is the tension inthe cable (ignore its mass)that connects the frame tothe helicopter? (c) Whatforce does the cable exerton the helicopter? FIGURE 4-53 78.
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