Pressure and thrust are :

1. vector quantities
2. scalar quantities
3. scalar and vector quantities respectively
4. vector and scalar quantities respectively

The C.G.S. unit of pressure is :

1. Pa
2. Nm^-2
3. dyne cm^-2
4. dyne cm²

1 atm of pressure is equal to :

1. 0.076 m of Hg
2. 760 torr
3. 76 torr
4. 7.6 mm of Hg

The pressure on a surface is reduced by :

1. using high thrust
2. increasing the area of surface
3. decreasing the area of surface
4. none of these