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11. Force and Pressure
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Q60 of 100 Page 209

Give one practical application of magnetic force.

Magnetic forces are the force due to magnetic field of a magnet. The closing of door of refrigerator works on the application of magnetic forces.


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Explain why, when a person stands on a cushion, the depression is much more than when he lies down on it.

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Explain why, porters place a thick, round piece of cloth on their heads when they have to carry heavy loads.

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What is meant by a contact force? Explain with the help of an example.

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What is meant by a non-contact force? Explain with the help of an example.

Questions · 100
11. Force and Pressure
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