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PREMIERS PUBLISHERS-MOTION OF SYSTEM OF PARTICLES AND BODIES-OTHER IMPORTANT QUESTIONS & ANSWER (CONCEPTUAL QUESTIONS)
- Should the centre of mass of a body necessarily lie inside the body?
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- Is centre of mass a reality?
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- Why in hand driven grinding machine, handle is put near the circumfere...
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- Is a body in circular motion in equilibrium?
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- A labourer standing near the top of an old wooden step ladder feels un...
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- Can a body in equilibrium while in motion? If yes state an example.
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- If no external torque acts on a body will its angular velocity remain ...
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- The bottom of a ship is made heavy. Why?
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- Why does a boy lean towards right hand side while carrying a bag in hi...
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- Some heavy boxes are to be loaded along with some empty boxes on a car...
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- About which axis, the moment of inertia of a body is minimum?
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- A disc is recast into a thin walled cylinder of same radius. Which wil...
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- A cat is able to land on its feet after a fall. Why?
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- Give examples where the centre of mass coincides with the geometrical ...
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- Why spokes are provided in a bicycle wheel?
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- Two boys of the same weight sit at the opposite ends of a diameter of ...
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- What is the power needed to maintain uniform circular motion?
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- A particle moves in a circular path with decreasing speed. What happen...
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- Why centripetal force cannot do work?
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- Should the centre of mass of a body necessarily lie inside the body?
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