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?

Answer 1

15N - 8N = 7N net force

F = ma
7 = 1a

Answer 2

2 kg

Answer 3

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