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
Ability to do work is called
  • A
    Motion
  • B
    Force
  • C
    Power
  • D
    Energy
    Correct
2
Which of the following device do not require electric current for working?
  • A
    Fan
  • B
    CD player
  • C
    Television
  • D
    Funnel
    Correct
3
A simple machine is
  • A
    The measurement
  • B
    Force of attraction
  • C
    A tool with moving parts
  • D
    Tools that makes work easier
    Correct
4
Which of the following is not a source of energy?
  • A
    Stone
    Correct
  • B
    Coal
  • C
    Wood
  • D
    Petrol
5
S.I unit of work is
  • A
    Joule
    Correct
  • B
    Calories
  • C
    Newton
  • D
    Newton
6
A push or pull on an object is called
  • A
    Force
    Correct
  • B
    Pressure
  • C
    Push-pull
  • D
    Gravitation
7
The simple machine shown below is called
Question 7 figure 1
  • A
    Lever
  • B
    Ball-bearing
  • C
    Screw
    Correct
  • D
    Pulley
8
The energy present in food items we consume is
  • A
    Chemical energy
    Correct
  • B
    Muscular energy
  • C
    Gravitational energy
  • D
    Light energy
9
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
10
A body can not start moving or stop moving without
  • A
    Temperature
  • B
    Pressure
  • C
    Force
    Correct
  • D
    Gravity
11
Work done is equal to product of force and
  • A
    Displacement
    Correct
  • B
    Energy
  • C
    Mass
  • D
    Weight
12
The force responsible for keeping moon moving around Sun is
  • A
    Atmospheric force
  • B
    Gravitational force
    Correct
  • C
    Contact force
  • D
    Magnetic force
13
A force which opposes the motion is called
  • A
    Friction
    Correct
  • B
    Sliding
  • C
    Linear
  • D
    Gravitational
14
Same force produces more pressure on
  • A
    Larger area
  • B
    Equal area
  • C
    Circular area
  • D
    Smaller area
    Correct
15
A seesaw is an example of a
  • A
    Pulley
  • B
    Wheel and axle
  • C
    Screw
  • D
    Lever
    Correct