When a given force is applied on larger area of contact the pressure exerted by it:
  • increases
  • decreases
  • does not change
  • none of these
The pressure exerted by a liquid:
  • decreases with depth
  • does not change with depth
  • increases with depth
  • is different in different directions at he same depth
A force can:
  • change the state of motion
  • change the shape of an object
  • change the direction of motion of an object
  • all of these
Force is:
  • only push on an object
  • only pull on an object
  • either push or pull on an object
  • none of these
Liquids exert pressure on the walls of the container:
  • yes
  • no
  • can’t say
  • none of these
The pressure exerted by the air is known as:
  • air pressure
  • gas pressure
  • atmospheric pressure
  • none of these
When a rubber sucker is pressed on a plane surface than it sticks to the surface because of :
  • the pressure exerted by us
  • the air sucked by rubber
  • the pressure of atmosphere acting on it
  • none of these
The instrument used of measure atmospheric pressure is:
  • mercury barometer
  • manometer
  • pressure meter
  • none of these
The force exerted on a normal human being due to atmospheric pressure is:
  • 2 x 104N
  • 2 x 105N
  • 2 x 106N
  • none of these
The weight of air that every square centimetre of any surface carries is:
  • 1 kg
  • 10 kg
  • 1 gm
  • 100 kg
When bicycle tube is punctured than:
  • it bursts
  • air escapes very fast
  • air escapes slowly
  • none of these
We are not crushed under the weight of air because:
  • air has no weight
  • the pressure inside our bodies is equal to atmospheric pressure
  • the pressure inside our bodies is more than atmospheric pressure
  • none of these
The non-contact force is:
  • magnetic force
  • electrostatic force
  • force of gravity
  • all of these
A boat comes to rest if we stop rowing it due to:
  • gravitation force
  • force of friction
  • muscular force
  • none of these
Which of the following is contact force:
  • force of gravity
  • magnetic force
  • force of friction
  • electrostatic force
Pressure =
  • force/area
  • force x area
  • area/force
  • none of these
Knives, needles, saws are made sharp or pointed to:
  • decrease pressure
  • can’t say
  • increase pressure
  • none of these
The pressure with the height of the liquid column.
  • increase
  • remains same
  • decrease
  • none of these
By decreasing the contact area the pressure:
  • is decreased
  • remain same
  • is increased
  • none of these
The unit of pressure is:
  • Newton
  • Newton/metres
  • Newton metres
  • Newton/metre
0 h : 0 m : 1 s

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