BASICS

#1. Newton's second laws states that .........?

• AF= MA.
• BF = MIA.
• CA = MF.
• DM= AF.

#2. The direction of static air pressure is ..... ?

• AParallel to dynamic pressure.
• BNormal to dynamic pressure.
• CIn all directions.
• DIn no directions.

#23. When subsonic airflow passes through a convergent duct its velocity ..... and its ' static pressure. .... .?

• AIncreases, Increases.
• BIncreases, Decreases.
• CDecreases, Remains constant.
• DDecreases, Decreases.