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
Unlike poles of magnet
  • A
    Sometimes repels and sometime attracts
  • B
    Repel each other
  • C
    Neither attract nor repels
  • D
    Attract each other
    Correct
2
Which of the following is an example of contact force?
  • A
    Gravitational force
  • B
    Muscular force
    Correct
  • C
    Electrostatic force
  • D
    Magnetic force
3
The force resulting due to the action of muscles is known as the
  • A
    Muscular force
    Correct
  • B
    Gravitational force
  • C
    Frictional force
  • D
    Magnetic force
4
The force responsible for changing the state of motion of objects is called
  • A
    Friction
    Correct
  • B
    Heat
  • C
    Temperature
  • D
    Pressure
5
Electrostatic force is exerted by charged body on
  • A
    Another charged body only
  • B
    Another uncharged body only
  • C
    Metallic body only
  • D
    Another charged body or uncharged body
    Correct
6
Like poles of magnet
  • A
    Attach with each other
  • B
    Attract each other
  • C
    Repels each other
    Correct
  • D
    Either attract or repels
7
Friction arises due to
  • A
    Attraction between surfaces
  • B
    Repulsion between surfaces
  • C
    All of the above
  • D
    Contact between surfaces
    Correct
8
A force has
  • A
    Both magnitude and direction absent
  • B
    Only direction
  • C
    Only magnitude
  • D
    Both magnitude and direction
    Correct
9
Gravitational force is acting on
  • A
    Only on moon
  • B
    Only on earth
  • C
    Only on other planets
  • D
    All bodies
    Correct
10
Which one is an example that shows that force can change shape and size of object/
  • A
    Force applied to increase the speed
  • B
    Force applied on cricket ball
  • C
    Force applied on inflated balloon
    Correct
  • D
    Force applied on large stone
11
The speed of moving ball increase further if force is applied in
  • A
    Perpendicular to direction of motion
  • B
    Opposite to direction of motion
  • C
    Parallel to direction of motion
  • D
    Direction of motion
    Correct
12
The force exerted by a charged body on another charged or uncharged body is known as
  • A
    Gravitational force
  • B
    Muscular force
  • C
    Electrostatic force
    Correct
  • D
    Magnetic force
13
The tendency of a body to maintain its state of rest or uniform motion is called
  • A
    Weight
  • B
    Acceleration
  • C
    Gravity
  • D
    Inertia
    Correct
14
A force of 9.8 N is equivalent to
  • A
    0.1 Kgwt
  • B
    1Kgwt
    Correct
  • C
    100 Kgwt
  • D
    10 Kgwt
15
Force of gravity is a
  • A
    Repulsive force
  • B
    Contact force
  • C
    Attractive force
    Correct
  • D
    Neither attractive nor repulsive force