Thrust
Thrust
Thrust: The net force acting normal to a surface is called thrust. Thus, a body kept in any orientation exert equal thrust on the surface. It is the net force, so its S.I. unit is newton (N) . It is also expressed in kilogramme weight (kg wt)
1 kg wt = 9.8 N
For example :
The pressure of the book depends on the area over which the force is distributed. Pressure may be measured in any unit of force divided by any unit of area. The standard international (SI) unit of pressure is newton per square metre called the pascal (Pa).
Huge pressure is measured in kilopascal (1 kPa = 1000 Pa).
Characteristics of thrust :
Which of the following are correct : (a) For the same volume inside the fluid more the density of fluid, smaller is the thrust. (b) For the same volume inside the fluid more the density of fluid, greater is the thrust. (c) Larger the volume of the body submerged in the fluid, greater is the thrust. | |||
| Right Option : C | |||
| View Explanation | |||
Which of the following are correct : (a) The net force acting normal to a surface is called thrust. (b) The SI unit of pressure is newton per square metre called the pascal (Pa). (c) S.I. unit of thrust is newton (N). | |||
| Right Option : D | |||
| View Explanation | |||
The SI unit of thrust is -- | |||
| Right Option : A | |||
| View Explanation | |||
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