Question 5 :
A vehicle sinks into soft ground. The vehicle is changed so that it does not sink as far. Which change is made?
Question 6 :
Assertion: The pressure at a point is the ratio of force to the area on which force is acting.
Reason: Pressure is the thrust acting per unit area.
Question 8 :
wherever the air pressure is higher, there will be a stronger force or push against an object. Is the statement True or False<br>
Question 9 :
Fill in the blank.The pressure exerted on a surface by an object increases as the weight of the object _______ or the surface area of contact _______.
Question 10 :
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 11 :
In the frozen northern regions of Canada, the Eskimos wear large snowshoes as that help them to walk on freshly fallen snow.
Question 14 :
What happens when pressure inside a sealed can is less than the atmospheric pressure?
Question 15 :
A cold soft drink is kept on the balance. When the cap is open, then the weight:<br/>
Question 19 :
With the increase in the area of contact of an object, the pressure:<br/>(Note : Thrust remains same)
Question 20 :
When you hit the nail on wooden plank in upside down way, the pressure is ____?
Question 21 :
The weight of a rider, driving scooter is assumed to be evenly distributed on both the tyres. The area of contact of each tyre with the ground is $10 cm^2$. If the pressure inside the tyres is 2 bar, find the mass of the rider. $(g=10 ms^{-2})$
Question 22 :
A block of mass of a 2 kg with dimensions $5 cm\times 20 cm\times 10 cm$ respectively. The ratio of maximum to minimum pressure it exerts on the change in orientation is :
Question 23 :
What is a pressure on the smaller piston if both the pistons are at same horizontal level? (Take $g=10 ms^{-2})$<br>
Question 24 :
If the force on the surface is doubled and the area is reduced to half, pressure will
Question 25 :
Pressure which a fluid exerts on the sidesof a container , below its free surface is known as
Question 26 :
The pressure due to atmosphere is $1.013\times 10^5$Pa. Find the force exerted by the atmosphere on the top surface of a table $2m$ long and $1m$ wide.<br>
Question 28 :
When the piston of a pump is pulled up, the pressure inside_____
Question 31 :
Smaller the area : larger the pressure : : larger the area :
Question 34 :
The air pressure inside out body is equal to the ____?
Question 35 :
A rubber balloons of negligible mass is filled with $500g$ of water. Its weight in water will be :
Question 37 :
Pressure varies inversely with area (A) provided the thrust is same.
Question 38 :
When a force acts on a large area, the pressure it exerts is more.
Question 39 :
_________ invented a pump to extract air out of the vessel.
Question 40 :
While filling a syringe with liquid which of the following is true for pressure inside the barrel and the atmospheric pressure acting on the liquid?
Question 41 :
When pressure exerted on fluids by container, then the force is always parallel to the wall. Is the statement true or False<br>
Question 42 :
During winter, clothes tend to stick to our body as an action of ______ force.
Question 44 :
Assertion: Liquid exerts pressure on walls of container
Reason: Molecules of liquid collides continuously with wall
Question 45 :
If the force on the surface is doubled and the area is reduced to half, pressure will:
Question 50 :
The bags and suitcases are provided with broad handles so that the __________ exerted on the hand while carrying them is minimum.
