Click the correct answer (True or False).
Click the correct answer.
What is the normal force acting on the unit area of a surface called?
Force
Pressure
Energy
Velocity
What is the force acting perpendicular (normal) to the surface of a body called?
Friction
Thrust
Electrostatic force
Mechanical force
What is the pressure exerted by a liquid on the walls of the container called?
Upthrust
Atmospheric pressure
Lateral pressure
Surface tension
Click the correct answer.
Force of 1 N is equal to
.
1 kgf
1 gf
105 dyne
102 dyne
If the area of contact is reduced for given applied force, the pressure
.
increases
decreases
remains the same
first decreases then increases
The atmosphere extends upwards up to about
from the sea level.
300 m
3000 m
300 km
3000 km
The pressure
as we go down in a swimming pool.
increases
decreases
remains constant
first increases then decreases
is inversely proportional to the area of contact.
Force
Pressure
Energy
Velocity
Liquid pressure in a vessel increases with the
.
base of the liquid container
size of the container
upthrust
depth of the liquid
