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Given reason if he object is pressed h...

Given reason if he object is pressed hard on the surface where it is placed as result it is more difficult to move the object

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If the object is pressed hard on the surface then the normal force acting on the object will increase . As a result , it is more difficult to move the object .
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PREMIERS PUBLISHERS-LAW OF MOTION -OTHER IMPORTANT QUESTIONS & ANSWERS (III Short Answer Question )
  1. What do you mean by inertia of direction? Give one example.

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  2. What is non inertial frame of reference? Explain with example.

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  3. With an example explaion a situatin where force and motion are not in ...

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  4. Explain the motion of a raindrop from a cloud

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  5. When a cricket player catches the ball he pulls his hand gradually in...

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  6. Explain the use of air bags in cars during accidents.

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  7. An athlete runs a certain distance before taking a long jump . Why ?

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  8. Automobiles are provided with shock absorbers why

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  9. Jumping on a cemented floor receives more injuries than on the sand ...

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  10. Explain the term maximal static friction

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  11. Given reason if he object is pressed hard on the surface where it is...

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  12. What is the angle of friction between two surfaces in contact if the ...

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  13. Define angle of friction

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  14. Given reasons for f(s)=mu(s)N

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  15. What is the need of banking a circular raod

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  16. How does the use of ball bearing reduces friction

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  17. When a bicycle moves in the forward direction what is the direction of...

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  18. A force can change the velocity of a particle in three different ways ...

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  19. Derive the expression for centripetal acceleration.

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  20. Explain centrifugal force due to rotation of the earth

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