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LAKHMIR SINGH & MANJIT KAUR-FORCE AND LAWS OF MOTION-Exercise
- What is the SI unit of force?
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- What is one Newton force?
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- What is the relationship between force and acceleration ?
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- If the mass of a body and the force acting on it are both doubled, wha...
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- Name the physical quantity whose unit is 'newton.
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- Which physical principal is involved in the working of a jet aeroplane...
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- Name the principal on which a rocket works.
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- Is the following statement true or false : A rocket can propel itsel...
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- What is the force which produces an acceleration of 1 m/s^(2) in a bod...
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- Find the acceleration produced by a force of 5 N acting on a mass of 1...
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- A girl weighing 25 kg stands on the floor. She exerts a downward force...
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- Name the physical quantity which makes it easier to accelerate a small...
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- Fill in the following blanks with suitable words: (a) To every actio...
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- Explain the meaning of the following equation : F=mxxa where symbo...
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- To take the boat away from the bank of a river, the boatman pushes the...
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- Why does a gunman get a jerk on firing a bullet?
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- If action is always equal to the reaction, explain how a horse can pul...
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- Name the principal on which a rocket works.
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- Do action and reaction act on the same body or different bodies ? How ...
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- If a man jumps out from a boat, the boat moves backwards. Why?
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