Which of the following measures atmospheric pressure?
Bourdon guages.
Barometer.
Hydrometer.
None of these.
The density of an object is the ratio between its mass and
Pressure.
Volume.
A sharp nail pierces more easily through wood than a blunt nail because of
High pressure.
High surface area.
Low force.
Which of the following measures the pressure exerted by a liquid or a gas?
Pressure guage.
Thermometer.
Water flows through pipes on the basis of
Density.
Liquid pressure.
Find the pressure on a surface when a force of 50 N acts on an area of 0.50 m2 ?
100 pa
50 pa
500 pa
10 pa
Pressure of a gas = pressure due to liquid pressure +
Atmospheric pressure.
What is the pressure on a surface when a force of 50N acts on an area of 200m2.
0.25 Pa
2.5 Pa
25 Pa
.025 x 10-1 Pa
Find the pressure on a surface when a force of 50N acts on an area of 2.0 m2.
50 Pa
10 Pa
A pressure of 10 Pa acts on an area of 3.0m2. What is the force acting on an area?
40N
30N
10N
None- of these
