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Motion in A Plane

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Physics Part I

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Physics

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
If one of the rectangular components of a vector of magnitude 50 has magnitude 30, then what is the magnitude of other rectangular component of the vector?

Given, magnitude of vectors are 50 and 30.

Therefore, magnitude of the rectangular component = square root of 50 squared minus 30 squared end root space equals space square root of 2500 minus 900 end root space equals space square root of 1600 space equals space 40 



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What is a vector quantity?

A physical quantity that requires direction along with magnitude, for its complete specification is called a vector quantity.
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Give three examples of vector quantities.

Force, impulse and momentum.
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Give three examples of scalar quantities.

Mass, temperature and energy
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What is a scalar quantity?

A physical quantity that requires only magnitude for its complete specification is called a scalar quantity.
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What are the basic characteristics that a quantity must possess so that it may be a vector quantity?

A quantity must possess the direction and must follow the vector axioms. Any quantity that follows the vector axioms are classified as vectors. 


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