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Give reasons : It is easy to cut veget...

Give reasons :
It is easy to cut vegetables , fruits with a sharp knife . A blunt knife does not work here . Why does this happen ?

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TARGET PUBLICATION-FORCE AND PRESSURE -EXERCISE
  1. Give reasons : A person jumping out of a moving bus falls with his h...

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  2. Give reasons : Fruits can easily be cut with a sharp knife .

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  3. Give reasons : It is easy to cut vegetables , fruits with a sharp kn...

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  4. Why do the load carrying heavy vehicles have large number of wheels ?

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  5. Give reasons : A camel's feet do not penetrate into the sand .

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  6. Give reasons : We cannot stand at one place for a long time . How ca...

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  7. Give reasons : For skiing on ice , why are long flat ski used ?

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  8. Give reasons : The wall of a dam is broad at its base .

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  9. Give reasons : Some people feet their ears popping at the top of a m...

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  10. Why some people feel breathless as they climb higher and higher on a m...

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  11. Give reasons : While pulling a bucket from a well , the bucket full ...

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  12. Give reasons : A ship dips to a larger depth in fresh water as compa...

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  13. Give reasons : A piece of wood sinks more in kerosene than in water ...

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  14. Distinguish between : Balanced and unbalanced force .

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  15. Distinguish between : Inertia of motion and inertia of rest .

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  16. Distinguish between : Inertia of motion and directional inertia .

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  17. Distinguish between : Density and relative density .

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  18. Complete the given chart/ table :

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  19. Question based on diagram : In the diagram shown above , explain at ...

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  20. Question based on paragraph : A boy pushed his toy car on a table . ...

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