Question
An airplane needs to accelerate at 4.7 m/s2 to reach take-off speed before reaching the end of the runway. The mass of the airplane is 4500 kg. How much force is needed from the engines?
Answers
Force = rate of change of momentum = mass * acceleration if the mass is constant.
Here you can ignore any change of mass due to fuel exhaust and simply use
F = m a
Here you can ignore any change of mass due to fuel exhaust and simply use
F = m a
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