Class 04 EVS Work Force And Energy CBSE Questions & Answers

Class 4 · EVS Work Force And Energy

This is Science and Social Science (EVS) class 04 EVS Work Force and Energy CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Which one is not an example of contact force?
  • A
    Muscular force
  • B
    Weight
  • C
    Frictional force
  • D
    Magnetic force
    Correct
2
That is necessary to get something moving
  • A
    Resistance
  • B
    Force
    Correct
  • C
    Screw
  • D
    Wedge
3
The simple machine used in figure is called
Question 3 figure 1
  • A
    Lever
  • B
    Screw
  • C
    Needle
  • D
    Pulley
    Correct
4
A brick laying on ground possess
  • A
    Kinetic energy
  • B
    Frictional energy
  • C
    No energy
    Correct
  • D
    Potential energy
5
The capacity to do work is called
  • A
    Energy
    Correct
  • B
    Power
  • C
    Movement
  • D
    Displacement
6
A force which opposes the motion is called
  • A
    Friction
    Correct
  • B
    Linear
  • C
    Gravitational
  • D
    Sliding
7
Same force produces more pressure on
  • A
    Smaller area
    Correct
  • B
    Circular area
  • C
    Equal area
  • D
    Larger area
8
Which type of energy is used in lifting a box?
  • A
    Electrical energy
  • B
    Muscular energy
    Correct
  • C
    Chemical energy
  • D
    Heat energy
9
Which of the following effect is not produced by force?
  • A
    Change in shape
  • B
    Change in speed
  • C
    Change in direction
  • D
    Change in mass
    Correct
10
Whenever force is applied __________ is used.
  • A
    Power
  • B
    Mass
  • C
    Watt
  • D
    Energy
    Correct
11
The force required to move a stationary body is called
  • A
    Frictional force
  • B
    Unbalanced force
    Correct
  • C
    Balanced force
  • D
    Gravitational force
12
This force pulls us towards the center of the Earth
  • A
    Resistance
  • B
    Gravity
    Correct
  • C
    Push
  • D
    Friction
13
If the force applied on a moving body in direction of motion than
  • A
    Mass of the body decreases
  • B
    Mass of the body increases
  • C
    Speed of body increases
    Correct
  • D
    Speed of body decreases
14
A body moving on leveled grounds need to apply constant force to
  • A
    Gravitational force
  • B
    Contact force
  • C
    Magnetic force of earth
  • D
    Overcome frictional force
    Correct
15
The direction in which swimmer applies the force to move forward is
  • A
    Left direction
  • B
    Right direction
  • C
    Backward direction
    Correct
  • D
    Forward direction