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What is the minimum number of vectors re...

What is the minimum number of vectors required to give zero resultants?

A

two

B

three

C

four

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
(b): Minimum three unequal vectors can given zero resultant

`vecb+veca+vec c =0`
where `|vecb|ne|veca|ne|vec c|vec0`
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MODERN PUBLICATION-MOTION IN A PLANE -COMPETITION FILE OBJECTIVE TYPE QUESTIONS (B. Multiple Choice Questions)
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  2. If the angle between the vectors vecA and vecB is theta, the value of ...

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  5. Two vectors vecA and vecB are such that vecA+vecB=vecA-vecB. Then

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  8. vecA and vecB are two vectors and theta is the angle between them, i...

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  9. A particle has an initial velocity 3hati+4hatj and an accleration of 0...

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  10. the value of (vecA+vecB)xx(vecA-vecB) is

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  13. A police jeep is chasing with, velocity of 45 km//h a thief in another...

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  14. The equations of motion of a projectile are given by x=36tm and 2y=96t...

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  15. Two particles having position verctors vecr(1)=(3hati+5hatj) metres an...

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  17. If a vector (2hati+3hatj+ 8hatk) is perpendicular to the vector (4hatj...

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  18. The angle between the two vectors vecA=5hati+5hatj and vecB=5hati-5hat...

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  19. A paricle starting from the origin (0,0) moves in a straight line in (...

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