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LAKHMIR SINGH & MANJIT KAUR-FORCE AND PRESSURE.-EXERCISE
- Which of the following are non - contact forces ? Magnetic force, Fr...
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- Give two example from everyday life which show that air exerts pressur...
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- What is rubber sucker ? How does it work ? State any one use of a rubb...
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- Why do mountaineers ususally suffer from nose - bleading at high altit...
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- Describe one activity to show the existence of atmospheric pressure.
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- Explain why, water comes out more slowly from an upstairs tap than fro...
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- What is meant by gravitational force ( or force of gravity ) ? Give it...
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- Calculate the pressure when a force of 200 N is exerted on an area of ...
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- Calculate the pressure when a force of 200 N is exerted on an area of ...
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- Which force do the animals apply while moving,chewing and doing other ...
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- Which force is responsible for raising our body hair when we try to t...
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- Name the type of forces involved in the following : a) A horse pulli...
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- Name the type of forces involved in the following : b) A sticker att...
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- Name the type of forces involved in the following : A coin falling t...
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- Name the type of forces involved in the following : A plastic comb r...
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- Name the type of forces involved in the following : e) A moving boat...
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- Why does a sharp knife cut object more effectively than a blunt knife ...
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- Explain why, wooden (or concrete ) sleeps are kept below the railway l...
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- Explain why a wide steel belt is provided over the wheels of an army t...
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- Explain why ,the tip of a sewing neddis is sharp.
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