Class 8 Force And Pressure CBSE Questions & Answers

Class 8 · Force And Pressure

This is Science Class 8 Force and Pressure CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
The product of mass and velocity is called
  • A
    Revolution
  • B
    Momentum
    Correct
  • C
    Gravitation
  • D
    Acceleration
2
The property due to which one body attracts the every other body is called
  • A
    Sedimentation
  • B
    Rotation
  • C
    Gravitation
    Correct
  • D
    Revolution
3
The S.I unit of force is named after famous scientist
  • A
    Alfred noble
  • B
    J.C. Bose
  • C
    Isaac Newton
    Correct
  • D
    Galileo
4
A vehicle stops on applying brakes because
  • A
    Brakes apply a force in opposite direction
    Correct
  • B
    Brakes apply a force in same direction
  • C
    Brakes increase the acceleration
  • D
    Brakes increase the mass
5
Pressure is the
  • A
    Force per unit area
    Correct
  • B
    Gravitational force of earth
  • C
    Force per unit volume
  • D
    Muscular force per unit length
6
Fruits falls towards the earth due to
  • A
    Gravitational force
    Correct
  • B
    Magnetic force
  • C
    Nature of plants
  • D
    Crest force
7
Gases exert pressure on the
  • A
    Bottom of container
  • B
    Open surface of container
  • C
    Molecules of gases
  • D
    Walls of container
    Correct
8
Gravity is the property of
  • A
    Only on earth
  • B
    Every object in universe
    Correct
  • C
    Only on Sun
  • D
    Only on moon
9
The envelops of air around the earth is called
  • A
    Lithosphere
  • B
    Atmosphere
    Correct
  • C
    Hydrosphere
  • D
    Stratosphere
10
Liquids and gases together called
  • A
    Humidity
  • B
    Liquidity
  • C
    Liquor
  • D
    Fluids
    Correct
11
Pointed tips of nails have
  • A
    Less pressure
  • B
    More pressure
  • C
    More area of contact
  • D
    Less area of contact
    Correct
12
The pressure exerted by atmosphere is called
  • A
    Atmospheric pressure
    Correct
  • B
    Contact pressure
  • C
    Gravitational pressure
  • D
    Air pressure
13
A body can not start moving or stop moving without
  • A
    Pressure
  • B
    Force
    Correct
  • C
    Gravity
  • D
    Temperature
14
Porter place a round piece of cloth on their heads to
  • A
    Reduce force
  • B
    Increase force
  • C
    Decrease surface area
  • D
    Increase surface area
    Correct
15
To draw water from a well we have to ______ at the rope.
  • A
    Contract
  • B
    Push
  • C
    Stretch
  • D
    Pull
    Correct