Pressure
Trending Questions
What is Gas Pressure?
What causes Gas Pressure?
A gas exerts pressure on the walls of the container because
molecules of a gas are in random motion
molecules of a gas are massless
molecules of a gas are at rest
walls of the container are not strong
Calculate the pressure developed by a force of 50 N acting on an area of 10 m2.
10 Pa
5 Pa
15 Pa
20 Pa
The factors on which the pressure exerted by a body depends
- Atmospheric pressure is independent of the surface area of the body.
- Atmospheric pressure increases with increase in altitude.
- Atmospheric pressure is caused by the weight of air molecules surrounding the earth.
- Atmospheric pressure decreases with increase in altitude.
- Pascal
- Atmosphere
- Newton
- Bar
The same amount of force is applied to two different objects with different surface areas. In this scenario, which of the following statements is correct?
None of the above
Surface area with maximum value will experience maximum force
Surface area with minimum value will experience maximum force
All surface areas will experience same force.
Which cube will experience more pressure?
A
B
Both will experience same pressure
None of these
A gas exerts pressure on the walls of the container because
gases do not exert pressure
pressure is exerted only when the walls of the container are weak
molecules present in gases always move in straight lines.
during their motion, they collide with one another and also with the walls of the container
The SI unit of _______ is pascal.
mass
energy
pressure
force
- Increase
- Decrease
- Remain same
- Become zero
A force of 5 N is applied on a body over a surface area of 5 m2. Calculate the pressure applied on the surface.
2 Pa
3 Pa
5 Pa
1 Pa
- joule
- newton
- pascal
- ampere
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- The pin was colder at the broader end
- The pin was extremely hot at the pointed end
- The pin has more surface area at the broader end
- The pin had cushion like material at the broader end
1 pascal pressure is equal to -
Assume a gas stored in a container at room temperature. Identify the physical effect(s) that is/are caused by the motion of the particles of the gas inside the container.
Potential Energy
Pressure
Electrical energy
Temperature
- 2000 Pa
- 20 Pa
- 100 Pa
- 10 Pa
IT staff members are under extreme pressure mainly because of ________.
- strict Management
- both A and B
- none
- tight deadlines
If a force of is applied to a sponge of area , then the pressure exerted on the sponge will be .
- True
- False
- Pressure at A > Pressure at B > Pressure at C
- Pressure at A = Pressure at B = Pressure at C
- Pressure at A < Pressure at B > Pressure at C
- Pressure at A < Pressure at B < Pressure at C
A thrust of 20N is acting on an area of 2m2. How much pressure is acting on the surface?
Why do gases exert pressure ?
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