The engine of a 1-kg toy plane exerts a 15-N forward force. If the air exerts an 8-N resistive force on the plane, what is the magnitude of the acceleration of the plane?

3 answers

15N - 8N = 7N net force

F = ma
7 = 1a
2 kg
15N-8N=7N
F=ma
A=F/M
A=7N/1kg
A=7m/s^2