1–11

1–11 The acceleration of high-speed aircraft is sometimes
expressed in g’s (in multiples of the standard acceleration of
gravity). Determine the upward force, in N, that a 90-kg man
would experience in an aircraft whose acceleration is 6 g’s.
ANS
1-11The acceleration of an aircraft is given in g’s. The netupward force acting on a man inthe aircraftis
tobedetermined.
Analysis Fromthe Newton's second law, the force applied is