Class 05 EVS Work Force And Energy CBSE Questions & Answers

Class 5 · EVS Work Force And Energy

This is Science and Social Science (EVS) class 05 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
A boy pushes a wall for 1 hour and get tired. The work done by boy on wall is equal to
  • A
    9.8 joule
  • B
    Zero
    Correct
  • C
    10 joule
  • D
    More than 10 joule
2
The net force on an object is __________ if the two forces acting on it in opposite directions are equal.
  • A
    Zero
    Correct
  • B
    Towards right
  • C
    Always more
  • D
    Towards left
3
The change of one form of energy to another form is called
  • A
    Misuse of energy
  • B
    Transformation of energy
    Correct
  • C
    Conservation of energy
  • D
    Wastage of energy
4
An interaction of one object with another object ________ between the two objects.
  • A
    All of the above
  • B
    Results in a pressure
  • C
    Results in a force
    Correct
  • D
    Results in a work
5
Electric motor converts
  • A
    Electric energy to mechanical energy
    Correct
  • B
    Electric energy to light energy
  • C
    Heat energy to electric energy
  • D
    Mechanical energy to electric energy
6
A force applied on an object may change its
  • A
    Weight
  • B
    Mass
  • C
    Speed
    Correct
  • D
    Colour
7
Which type of conversion is taking place in following picture?
Question 7 figure 1
  • A
    Light energy to sound energy
  • B
    Electrical energy to potential energy
  • C
    Electrical energy to light energy
    Correct
  • D
    Light energy to heat energy
8
Which of the following is not a form of energy?
  • A
    Heat
  • B
    Sound
  • C
    Gravitation
    Correct
  • D
    Light
9
Force applied on an object in same direction
  • A
    Divide on another
  • B
    Subtract to one another
  • C
    Add to one another
    Correct
  • D
    Multiply on another
10
The energy of a body due to its motion is called
  • A
    Potential energy
  • B
    Heat energy
  • C
    Sound energy
  • D
    Kinetic energy
    Correct
11
The strength of a force is usually expressed by its
  • A
    Magnitude
    Correct
  • B
    Altitude
  • C
    Direction
  • D
    Duration
12
Which one is essential for work to be done?
  • A
    Displacement
    Correct
  • B
    Change in shape
  • C
    Release of heat
  • D
    Change in state
13
Which change always occurs when force is applied
  • A
    Change in state
  • B
    Change in shape
  • C
    Change in direction
  • D
    Change in state of motion
    Correct
14
Which force enables us to perform all activities involving movement or bending of our body?
  • A
    Frictional force
  • B
    Muscular force
    Correct
  • C
    Electrostatic force
  • D
    Magnetic force
15
Kinetic energy of a body increased when ____________ is increased.
  • A
    Velocity
    Correct
  • B
    Shape
  • C
    Size
  • D
    Colour