Fill in the blank:
Two boys cycling on the road with the same speed are _______ relative to each other.
Concept: Motion and Rest
Fill in the blank:
One to and fro motion of a clock pendulum takes time = ________
Concept: Motion and Rest
Fill in the blank:
36 km h-1 = ______
Concept: Motion and Rest
Select the correct alternative:
A book lying on a table is an example of
Concept: Motion and Rest
Explain the meaning of the terms rest and motion.
Concept: Motion and Rest
Comment on the statement ‘rest and motion are relative terms’. Give an example.
Concept: Motion and Rest
Write true or false of the following statement.
A gum bottle lying on a table has no energy.
Concept: Concept of Energy
Fill in the blank using one of the word: at rest, in motion.
A person walking in a compartment of a stationary train is relative to the compartment and is relative to the platform.
Concept: Motion and Rest
Fill in the blank using one of the word : at rest, in motion.
A person sitting in a compartment of a moving train is relative to the other person sitting by his side and is relative to the platform.
Concept: Motion and Rest
Write true or false of the following statement.
In an electric fan, electrical energy changes into the mechanical energy.
Concept: Concept of Energy
Write true or false of the following statement.
Potential energy changes into kinetic energy when it is put to use
Concept: Concept of Energy
Name five different types of motion you know.
Concept: Motion and Rest
Write true or false of the following statement.
One form of energy cannot be converted into another form.
Concept: Concept of Energy
Fill in the blank
An electric fan converts electrical energy into ______ energy.
Concept: Concept of Energy
Fill in the blank
Cooking gas converts _______ energy into heat energy.
Concept: Concept of Energy
Fill in the blank
The ability to do work is called ______
Concept: Concept of Energy
Fill in the blank
The S.I.unit of energy is ______
Concept: Concept of Energy
Name the type of motion being performed by Vehicle on a straight road.
Concept: Motion and Rest
Match the following columns
COLUMN A | COLUMN B |
1. Running water | 1. heat energy |
2. Burning | 2. vibrations |
3.Energy | 3.atom bomb |
4.Sound energy | 4.kinetic energy |
5.Nuclear energy | 5.joule |
Concept: Concept of Energy
Select the correct alternatives
When we rub our hands
Concept: Concept of Energy