Advertisements
Advertisements
Question
Calculate the pressure exerted on a surface of 0.5 m2 by a thrust of 100 kgf.
Advertisements
Solution
Given:
Thrust (F) = 100 kgf
Area = 0.5 m2
Pressure = ?
Pressure = `"Thrust "/"Area"`
= `100/0.5`
=`1000/5`
Pressure = 200 kgf m−2
APPEARS IN
RELATED QUESTIONS
The pressure on a surface increases with an increase in the thrust on the surface.
The unit of thrust is
A beaker containing a liquid is kept inside a big closed jar. If the air inside the jar is continuously pumped out, the pressure in the liquid near the bottom of the liquid will
Water flows through a horizontal tube of variable cross section. The area of cross section at A and B are 4 mm2 and 2 mm2 respectively. If 1 cc of water enters per second through A, find (a) the speed of water at A, (b) the speed of water at B and (c) the pressure difference PA − PB.
In a hydraulic lift, the input piston had surface area 30 cm2 and the output piston has surface area of 1500 cm2. If a force of 25 N is applied to the input piston, calculate weight/force on output piston.
A drinking straw works on the existence of ______.
A brick is kept in three different ways on a table as shown in the following figure. The pressure exerted by the brick on the table will be
 |
 |
 |
| A | B | C |
Intermolecular forces are stronger in ______.
Pressure is a scalar quantity because ______.
- it is the ratio of force to area and both force and area are vectors.
- it is the ratio of the magnitude of the force to area.
- it is the ratio of the component of the force normal to the area.
- it does not depend on the size of the area chosen.
Iceberg floats in water with part of it submerged. What is the fraction of the volume of iceberg submerged if the density of ice is ρi = 0.917 g cm–3?
