CBSE Questions for Class 8 Physics Force And Pressure Quiz 2 - MCQExams.com

A force cannot be seen but the effect of force can be felt.
  • True
  • False
  • Ambiguous
  • Data insufficient
A force is a result of:
  • interaction between two bodies
  • interaction of one body with itself
  • friction
  • all of the above
Which of the following property of a substance cannot be changed by application of force?
  • Shape
  • Size
  • Elasticity
  • Reactivity with water
State True or False :
Gravity of Earth, attracts all objects towards the centre of Earth.
  • True
  • False
State True or False :
Magnetic force attracts all kinds of metals. 
  • True
  • False
Which of the following class of forces is different from others?
  • Pulling of a cart
  • Stretching of a coiled spring
  • Kicking of a football
  • Weight of the body
When a rubber ball is pressed between hands, its shape changes. This happens because of
  • Balanced forces acting on the ball
  • Unbalanced forces acting on the ball
  • Gravitational forces acting on the ball
  • Frictional forces acting on the ball
Fill in the blanks:
A push or a pull on an object are types of ________.
  • pressure
  • attraction
  • repulsion
  • force
Which of the following represents the SI unit of force? 
  • Dyne
  • Gram-weight
  • Newton
  • Kilogram-weight
  • Both Statement 1 and Statement 2 are true and Statement 2 is the correct explanation of Statement 1.
  • Both Statement 1 and Statement 2 are true but Statement 2 is not the correct explanation of Statement 1.
  • Statement 1 is true and Statement 2 is false.
  • Both Statement 1 and Statement 2 are false.
Which picture shows a pull force acting?
Identify the action that can cause motion of a book placed on a table.
  • Pulling
  • Pushing
  • Lifting
  • All of the above
Which of the following actions can be grouped as push?
a. A cricket ball hit by a batsman.
b. A football player kicking the ball.
c. A girl is shutting the open door of a refrigerator. 
  • Only a
  • Only a and b
  • only b and c
  • a, b and c
Identify the type of force involved when loaded cart is moved.
  • Lifting
  • Pulling
  • Running
  • Reading
The action of a force on an object imparts:
  • motion.
  • change in shape.
  • change in size.
  • all of these
Which of the following actions can be grouped as pull:
a. Moving a loaded cart
b. Applying brakes while driving car
c. Drawing a bucket of water from a well
  • Only a
  • a and b
  • b and c
  • a and c
Identify the type of force involved in opening the door of refrigerator.
  • Pulling
  • Pushing
  • Heating
  • Cooling
Group the following examples as a pull or a push or both?
(i) Opening a drawer
(ii) Opening or shutting a door
(iii) Hitting a ball
  • Pull - (i)
    Push and Pull - (ii)
    Push (iii)
  • Pull - (ii)
    Push and Pull - None
    Push (i & iii)
  • All are examples of pushing
  • All are examples of pulling
Identify the action involved when a magnet attracts a piece of iron towards it.
  • Pushing
  • Pulling
  • Flying
  • Picking
Fill in the blanks:
An interaction of one object with another object results in a _________ between the two objects.
  • Pressure
  • Attraction
  • Force
  • Repulsion
Identify the action involved in opening or shutting a door.
  • Pulling
  • Pushing
  • Both a and b
  • None of the above
When you and your friend push a table in opposite directions, it becomes difficult to move. This is because:
  • the net force becomes the sum of  the two forces.
  • the net force becomes the difference of the two forces.
  • the table becomes heavier.
  • the table becomes lighter.
In the game of tug-of-war, the team that pulls the rope harder wins the game. This is because:
  • the rope moves in the direction of larger force.
  • the rope moves in the direction of the smaller force.
  • the rope does not move at all.
  • the rope moves in the direction of product of the forces.
What happens when there is no interaction between the objects?
  • Force comes in action.
  • Force does not come in action.
  • Force may or may not come in action.
  • None of the above is correct
What happens when two forces are applied in the opposite direction on an object?
  • Net force is the addition of forces.
  • Net force is the subtraction of forces.
  • Net force is the division of forces.
  • Net force is the multiplication of forces.
When you and your friend pushes heavy table in the same direction, it becomes easier to move. This is because:
  • the net force is the sum of forces.
  • the net force is the difference of forces.
  • the table becomes lighter.
  • friction reduces.
Fill in the blanks:
In the game of tug-of-war, both the teams pulls each other. So ________.
  • force is applied due to interaction.
  • force is not applied although there is interaction.
  • force is applied although there is an interaction.
  • none of the above.
What happens when two forces are applied to an object in the same direction?
  • Forces add up
  • Forces subtract
  • Resultant force is the division of forces
  • None of the above
Fill in the blanks:
Force comes into action when ________.
  • objects interact.
  • objects do not interact.
  • object move.
  • None of these
Fill in the blanks:
The net force is ______ than the individual applied forces.
  • Either larger or smaller
  • Always smaller
  • Always greater
  • Always equal
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