The pressure which is exerted by air around us is known as
- Aforce
- ✓atmospheric pressure
- Cmuscular force
- Dfriction
Answer: B.
View full solution →Question types
Force and Pressure question types
372 questions across 12 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
372
Questions
12
Question groups
5
Question types
01
MCQ
234 Q→02Write the following Statement Is True Or False. & Write True Statement.
10 Q→03Answer the following in one sentece.
30 Q→04Answer the following questions in detail.
27 Q→05Fill In The Blanks.
12 Q→06complete the Graph/Table.
3 Q→07Answer the following question.
20 Q→08Match The Columns/pair.
2 Q→09Answer the following question.
25 Q→10Write The Short Note.
2 Q→11Find the odd one out.
2 Q→12Give Scientific Reason.
5 Q→Sample Questions
Force and Pressure questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Force acting on per unit area is called
- Anon-contact forces
- Bcontact forces
- Cforce
- ✓pressure
Answer: D.
View full solution →A ___________ exerted by an object on another is a force.
- ✓Push or pull
- BContact or non-contact force
- CPressure
- DMagnitude
Answer: A.
View full solution →The force exerted by the earth to pull the object towards itself is called
- Aelectrostatic force
- ✓gravitational force
- Cmuscular force
- Dcontact force
Answer: B.
View full solution →Muscular force is also called ___________ force.
- Anon-contact
- ✓contact
- Cgravitational
- Dmagnetic
Answer: B.
View full solution →Frictional force is electromagnetic in origin.
One tends to slip over a banana peel on the street and one can slip due to mud are events that occur due to reduced friction.
The density of a material is useful to determine its purity.
When a body is completely immersed in a liquid, the buoyant force acting on it due to the liquid is proportional to the volume of the liquid displaced by the body.
Pressure due to a given force is directly proportional to the area on which the force acts.
If the relative density of a body is greater than 1, will it float in water?
What is relative density of a substance?
State the applications of Archimedes’ principle.
Define buoyant force.
What is the characteristic of the cap of eye drop bottles?
The mass of a tile is 500 g . If the density of the tile is $2.5 g / cm ^3$, what will be the weight of the tile when it is completely immersed in water?
$\left(g=9.8 m / s^2, \rho(\text { water })=1000 kg / m^3\right)$
View full solution →$\left(g=9.8 m / s^2, \rho(\text { water })=1000 kg / m^3\right)$
A body of mass 200 g and volume $400 cm^3$ is put in a bucket containing water. Will it float or sink?
$\left[\rho\right.$ (water) $=1 g / cm ^3$ ]
View full solution →$\left[\rho\right.$ (water) $=1 g / cm ^3$ ]
A body of mass 200 g and volume $50 cm^3$ is put in a bucket containing water. Will it float or sink ?
$\left[p\right.$ (water) $=1 g / cm ^3$ ]
View full solution →$\left[p\right.$ (water) $=1 g / cm ^3$ ]
A body of volume $100 cm^3$ is immersed completely in water. Find the weight of the water displaced by the body. 1 g $=9.8 m / s ^2 \cdot p$ (water) $\left.= kg / m ^3\right]$
View full solution →A metal block has thmensions $10 cm \times 5 cm \times 2 cm$ and the density of the metal is $8 \times 10^3 kg / m ^3$. It is kept on a table with the face $10 cm \times 5 cm$ in contact with the table. Find the force and pressure exerted by the block on the table. $\left(g=9.8 m / s ^2\right)$
View full solution →Keeping the surface area constant, if the applied force is doubled, the pressure …………….. .
(becomes double, remains the same, becomes four times, becomes half)
(becomes double, remains the same, becomes four times, becomes half)
The pascal is the unit of ……………. .
(velocity, pressure, mass, force)
(velocity, pressure, mass, force)
According to Archimedes’ principle, the magnitude of the force of buoyancy acting on a body is …………. .
(Vρg, Vρ/g, Vρm, mρg)
(Vρg, Vρ/g, Vρm, mρg)
The SI unit of density is …………. .
1 atmosphere = ………….. Pa.
A glass of water has an ice cube floating in water. The water level must touches the rim of the glass. Will the water overflow when the ice melts? Give the reason.
State whether the body will float or sink in a liquid if the density of the body is 1. greater than that of the liquid 2. less than that of the liquid 3. equal to that of the liquid.
Question 57.
Using the formula for the magnitude of the buoyant force, state under what conditions the body will
1. sink in the fluid
2. float in the fluid
3. remain in equilibrium anywhere within the fluid.
Using the formula for the magnitude of the buoyant force, state under what conditions the body will
1. sink in the fluid
2. float in the fluid
3. remain in equilibrium anywhere within the fluid.
Using Archimedes’ principle, determine the magnitude of the buoyant force.
Explain the origin of pressure due to a gas enclosed in a container.
| Column 1 | Column 2 | Column 3 |
| 1. Pressure | Mass/volume | Specific gravity |
| 2. Density | Force/area | Decreases with increase in height above the sea level |
| 3. Atmospheric pressure | No unit | Useful to determine the purity of a substance |
| 4. Relative density | The pascal | Decreases with increase in area |
| Group ‘A’ | Group ‘B’ |
| 1. Fluid | a. Higher pressure |
| 2. Blunt knife | b. Atmospheric pressure |
| 3. Sharp needle | c. Specific gravity |
| 4. Relative density | d. Lower pressure |
| 5. Hectopascal | e. Same pressure in all directions |
The mass of a tile is 500 g . If the density of the tile is $2.5 g / cm ^3$, what will be the weight of the tile when it is completely immersed in water?
$\left(g=9.8 m / s^2, \rho(\text { water })=1000 kg / m^3\right)$
View full solution →$\left(g=9.8 m / s^2, \rho(\text { water })=1000 kg / m^3\right)$
A body of mass 200 g and volume $400 cm^3$ is put in a bucket containing water. Will it float or sink? [ $\rho$ (water) $=1 g / cm ^3$ ]
View full solution →A body of mass 200 g and volume $50 cm^3$ is put in a bucket containing water. Will it float or sink ?
$\left[\rho\right.$ (water) $=1 g / cm ^3$ ]
View full solution →$\left[\rho\right.$ (water) $=1 g / cm ^3$ ]
A body of volume loo $cm ^3$ is immersed completely in water. Find the weight of the water displaced by the body. 1 g $=9.8 m / s ^2 . p$ (water) $= kg / m ^3 ]$
View full solution →A metal block has thmensions $10 cm \times 5 cm \times 2 cm$ and the density of the metal is $8 \times 10^3 kg / m ^3$. It is kept on a table with the face $10 cm \times 5 cm$ in contact with the table. Find the force and pressure exerted by the block on the table. $\left(g=9.8 m / s ^2\right)$
View full solution →Applications of Archimedes’ principle.
Buoyant force.
Lactometer, Hydrometer, Voltmeter, Submarine.
Density, Pressure exerted by a gas, Mass, Force.
A sheet of metal that sinks in water can float if shaped like a pan.
A piece of iron sinks in water but floats on mercury.
An iron nail sinks in water but a ship made from iron floats on water.
Drawing pins have flattened heads.
The tiles are placed over a slushy patch of ground to help cross It.
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