The position of a 2.5x10^5N training helicopter under test is given by(adsbygoogle = window.adsbygoogle || []).push({});

r=(0.020m/s^3)t^3i + (2.2m/s)tj-(0.060m/s^2)t^2k , find the net force of the helicopter at t=5.0s

express F in the form Fx Fy and Fz

F=ma F=Fx+Fy+Fz

so far i plugged in t to each component to get 2.5m, 11m, and 1.5 m,

now i just need to know how to use the force that is given to find the x, y, and z components. need a little guidance.

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# Finding net force

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