6000 + 2500 = 8500 kg = m
m g = weight = 9.81 * 8500
F = weight + m a
F = 9.81* 8500 + .5 * 8500 = 87,635 N
T = 9.81*2500 + .5 * 2500 = 25,775 N
In a rescue scene during the 911 crisis, a helicopter of mass 6000 kg accelerates upwards at the rate of 0.50 m/s2 while lifting a 2500 kg piece of concrete. What is the upward force exerted by the rotors of the helicopter? What is the tension in the cable attaching the concrete to the helicopter
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