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If all magnitudes are different, then minimum is three.

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Q: How many minimum no of coplaner vectors having different magnitude can be added to given zero resultant?
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Related questions

What is the minimum number of vectors in different planes that can be added to give a zero resultant?

There is no minimum.


What is the angle between two vectors if their sum is to be maximum?

The resultant vector has maximum magnitude if the vectors act in concert. That is, if the angle between them is 0 radians (or degrees). The magnitude of the resultant is the sum of the magnitudes of the vectors.For two vectors, the resultant is a minimum if the vectors act in opposition, that is the angle between them is pi radians (180 degrees). In this case the resultant has a magnitude that is equal to the difference between the two vectors' magnitudes, and it acts in the direction of the larger vector.At all other angles, the resultant vector has intermediate magnitudes.


What is the minimum resultant possible when adding a 5-N force to an 8 N force?

The maximum resultant occurs when the forces act in the same direction. Its magnitude is 15 N.


What is the minimum magnitude of acceleration?

Zero is.


What is the Minimum number of vectors with unequal magnitudes whose vector sum can be zero?

-- A singe vector with a magnitude of zero produces a zero resultant.-- Two vectors with equal magnitudes and opposite directions produce a zero resultant.


What is the minimum magnitude between 4 and -5?

9


Can two vectors having different magnitude be combined to give a zero resultantis it possible for three vectors?

-- The minimum magnitude that can result from the combination of two vectors is the difference between their magnitudes. If their magnitudes are different, then they can't combine to produce zero. -- But three or more vectors with different magnitudes can combine to produce a zero magnitude.


What is the minimum number of unequal vectors that give a zero resultant?

Three One is obviously out. Two is out because if two unequal forces n and p act on an object the resultant with the minimum force in magnitude is |n - p|, which will never be 0 if n =/= p. Three can be easily resolved with a quick example. Imagine an object with three concurrent forces acting on it. Two forces, n = 3 N and p = 4 N, create an angle with each other such that the resultant is 5 N. 180 degrees from the resultant, a force, r = 5 N, is acting on the object. Thus three unequal vectors on an object can result in 0.


What is the minimum possible resultant of two vectors with magnitudes of 4 and 5?

One.One.


What is the largest possible displacement resulting from two displacements with magnitudes 3m and 4m?

the largest possible resultant is if the two displacements are in the same direction, so resultant = 7 m (3+4=7) the minimum resultant is if they are in opposite directions, so minimum is 4-3= 1 m :D


How many minimum of vectors are required in space to get resultant zero?

Assuming you want non-zero vectors, two opposing vectors will give a resultant of zero.


Two forces one 500 gf and the other 800gf act upon a body what are the maximum and minimum possible values of the resultant force?

If the act together (in the same direction), the resultant force is the sum - 1300 gf (whatever that abbreviation means!). This is the maximum. If they act in opposite directions, the resultant force is the difference, 300 gf - and this is the minimum.