Observe the picture and put a tick () if work is done and put a cross (x) if work is not done. - Science

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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अध्याय 3: Work and Energy - Try to Answer [पृष्ठ १०४]

अध्याय 3 Work and Energy
Try to Answer | Q 1 | पृष्ठ १०४

Write true or false of the following statement.

Potential energy changes into kinetic energy when it is put to use

Write true or false of the following statement.

One form of energy cannot be converted into another form.

Select the correct alternatives

When a bulb lights up on passing current, the change of energy is

Select the correct alternatives

The correct statement is

Tick the most appropriate answer.

The force applied on a machine to do work is called the

Name the commercial unit of measurement of energy.

Define the term 'watt'.

The commercial unit of energy is :

Can you tell?

When can we say that displacement has taken place?

Write the type of energy.