How does mechanical resistance stop the jet from getting wet?
What is the formula for mechanical resistance?
What is drag force?
What is friction?
Describe the 4 forces which affect an airplane in flight.
What happens as a boat accelerates?
What do wind tunnels do?
What is turbulence?
What affects friction?
What is the coefficient of friction?
What is the formula for friction?
What is Static Friction and what can make it less?
Example of bad friction.
Example of good friction.