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प्रश्न
Fill in the blank
The ability to do work is called ______
उत्तर
The ability to do work is called energy
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संबंधित प्रश्न
Write true or false of the following statement.
A gum bottle lying on a table has no energy.
Select the correct alternatives
When we rub our hands
Tick the most appropriate answer.
The force applied on a machine to do work is called the
Name the quantity whose unit is :
(a) kilowatt
(b) kilowatt-hour
A cell converts one form of energy into another form. Name the two forms.
If the energy of a ball falling from a height of 10 metres is reduced by 40%, how high will it rebound?
Can you tell?
When can we say that displacement has taken place?
We make useful objects from a variety of substances. Another use of substances is that we get energy from some of them.
There is a car. Its tank is full of fuel but it does not move. Why is that?
Observe the picture and put a tick (✓) if work is done and put a cross (x) if work is not done.
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The work done on an object does not depend upon the
