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Is it necessary to mention the direction of a vector having zero magnitude?

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JBD PUBLICATION-KINEMATICS-EXAMPLE
  1. Can three vector not in one plane give a zero resultant?Can four vecto...

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  2. Can a vectro be zero if its components is not zero?

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  3. Is it necessary to mention the direction of a vector having zero magni...

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  4. What is the component method for adding vector?

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  5. An object originally at the opint (2,5,1) m is given a displacement 8 ...

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  6. Three vectors overset rarr P,overset rarr Q and overset rarr R satisfy...

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  7. Calculate the angle between 2 newton and a 3 newton force so that thei...

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  8. At what angles do the two fores (overset rarr P + overset rarr Q ) adn...

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  9. Two forces of 6 N and 8 N act at a point at an angle 90^@ with each ot...

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  10. A skilled gunman always keeps his gun tilted above the line of sight w...

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  11. At what points on the projectile trajectory is the speed minimum

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  12. At what point of trajectory an object thrown upward is the acceleratio...

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  13. A tennis ball jumps higher at hills than at planes. Explain.

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  14. Explain that a uniform circular motion is an accelerated motion.

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  15. A body is projected horizontally from the to of a cliff with a velcity...

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  16. Two paper screens A and B are separated by a distance of 100m.A bullet...

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  17. Shows that the projection angle thetao for a projectile launched from ...

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  18. A cricket ball is hit at 45^@ to the horizontal with a kineti energy K...

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  19. A body is projected with a velocity u in a direction making angle thet...

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  20. A body is projected with a velocity u in a direction making angle thet...

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