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Why does a block of plastic immersed und...

Why does a block of plastic immersed under water come to the surface of water ?

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It does not float on water.

MBD-GRAVITATION-Example
  1. A ball thrown up vertically returns to the thrower after 6 s. Find its...

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  2. In what direction does the buoyant force on an object immersed in a li...

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  3. Why does a block of plastic immersed under water come to the surface o...

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  4. Why does a block of plastic immersed under water come to the surface o...

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  5. The volume of 50 g of a substance is 20 cm^3. If the density of water ...

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  6. The volume of 500 g sealed packed in 350cm^3. Will the packet float or...

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  7. Define Newton's universal law of gravitation and establish mathematic...

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  8. Write Kepler's law in context with the motion of planets.

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  9. How did Robert proved experimentally that all bodies fall in vacuum wi...

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  10. How did Robert Boyle show experimentally that a coin and a piece of pa...

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  11. Prove that acceleration due to gravity is independent of mass.

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  12. Find the value of 'g'.

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  13. Describe those factors which are responsible for variation in the valu...

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  14. Establish the relation between 'g' and 'G' .

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  15. Deduce an expression in terms of mass of the earth 'M' And universal ...

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  16. Prove that acceleration due to gravity is independent of mass.

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  17. What is Archimedes principle ? How can you verify it experimentally ? ...

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  18. Which one is greater-the gravitational force of the earth on 1 kg iron...

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  19. Why is G called universal gravitational constant ?

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  20. Is the value of 'g' at a given place same for different bodies or it i...

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