Question 1 :
As the height of the liquid column increases, the pressure exerted by a liquid at the lowest point ________.
Question 2 :
Ink does not spill out of an ink dropper when the atmospheric pressure and ____ pressure are equal.
Question 4 :
Pressure (P) exented by liquid on walls of the container when h = height of the liquid column, f = density, g is acceleration due to gravity
Question 5 :
State whether given statement is True or False<br/>You find your mass to be $42$kg on a weighing machine. Your actual mass is less than $42$kg.<br/>
Question 6 :
<br>when an air particle speeds up, it actually pushes . Complete the sentence
Question 7 :
A box exerts a force of $420N$ on a floor. The bottom of the box has an area of $0.7m^2$. What is the pressure exerted by the box on the floor?<br>
Question 8 :
Assertion: Pressure applied to an enclosed fluid is transmitted undiminished to every portion of the fluid and the walls of the containing vessel.
Reason: Fluids cannot distribute the external pressure equally to all portions.
Question 9 :
What is a pressure on the smaller piston if both the pistons are at same horizontal level? (Take $g=10 ms^{-2})$<br>
Question 10 :
The air pressure inside out body is equal to the ____?
Question 11 :
Compare the pressure exerted by a sharp needle on a surface and the pressure exerted by a blunt needle.
Question 12 :
Pressure which a fluid exerts on the sidesof a container , below its free surface is known as
Question 14 :
Pressure varies inversely with area (A) provided the thrust is same.
Question 16 :
If we apply the brakes to a moving car, it comes to rest. This shows that force can make a moving object go slower.
Question 18 :
When a force is exerted on an object without any contact, the force is known as ____
Question 19 :
In the superhit film 'Raja Hindustani', Amir Khan greets his beloved by shaking hand. What kind of force do they exert?<br>
Question 20 :
When the pressure of water is increased, the boiling temperature of water as compared to $100^oC$ will be :
Question 21 :
If the interatomic spacing in a steel wire is ${ 2.8\times 10 }^{ -10 }$ m. and ${ Y }_{ steal }=2\times 10^{ 11 }N/m^{ 2 }$,then force constant in N/m is-
Question 22 :
What are the forces imparted by atmosphere on the walls of a room of dimension $6m \times 5m \times 4m$? ($1$ Atm. = $10^5 N/m^2$).
Question 23 :
Force acting on a particle is 5 N. If the unit of length and time are doubled and unit of mass is halved then the numerical value of the force in the new unit will be ________ times the initial value.<br/>
Question 24 :
To move a roller, a force of $300 N$ is required. You alone can produce a force of $30 N$. How many of your friends who are equally strong as you should join you to move the roller?
Question 25 :
A force of $100N$ is applied on an area of $4m^2$. the pressure being applied on the area is 
Question 26 :
What is a pressure on the smaller piston if both the pistons are at same horizontal level? (Take $g=10m$ ${s}^{-2}$)
Question 27 :
There are two round tables in the physics classroom: one with the radius of $50\ cm$, the other with a radius of $150\ cm$. What is the relationship between the two forces applied on the tabletops by the atmospheric pressure? then value of $\dfrac{F_1 }{F_2} $ is:
Question 28 :
A right angled tube is fixed horizontally on a horizontal surface and an ideal liquid of density p is flowing into the tube at the rate of $Q = 4 m^3/s$ Cross sectional area of the tube at intake and outlet positions are $A = 2 m^2$ and $S = 1 m^2$ respectively. The magnitude of net force exerted by liquid on the tube is (Given that the value of atmospheric pressure $P_o = 4p N/m^2$)
Question 29 :
Consider the equations $P = \displaystyle \lim_{\triangle S\rightarrow 0} \dfrac {F}{\triangle S}$ and $P_{1} - P_{2} = \rho gz$.<br>In an elevator accelerating upward.
Question 30 :
A cube of Ice is floating in water. The fraction of its length lie outside the water is (sp. Gravity of Ice $= 0.96$)
