Gauri had a long bar magnet with her while she needed a U shaped magnet for her school project. She decided to heat her bar magnet and bend it to give it a U shape. Suggest Gauri where and why is she wrong. What will be the outcome if she does what she decided.

If Gauri heats her bar magnet, it would get demagnetized and lose its magnetic properties.

Gauri had a long bar magnet with her while she needed a U shaped …

Answer the following in a word or two or in a sentence.
Which force is responsible for supporting the weight of a book placed on a table?

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write the correct statement :
Force of friction is an example of gravitational force.

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write the correct statement:
A pendulum swinging freely (length 100 cm) completes one oscillation in one second.

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If a bar magnet is placed over iron fillings, where will the attraction of the iron fillings be –
a. maximum ?
b. minimum ?

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Give a reason for the following.
The directive property of magnets is used in a compass.

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State the general properties of a solid.

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What do you understand by a force ?

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write the correct statement :
The force which acts on a body directly or through a connector is called consequential force

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Write the correct statements :
The image formed by a pinhole camera is always virtual and erect.

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Give one example of force as a stretch

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