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Two vectors, no; three vectors yes.
It is a displacement equal in magnitude to the difference between the two vectors, and in the direction of the larger vector.
Yes it does. X can be halved in more than one way, making this letter highly capable of having rotational symmetry.
The single vector which would have the same effect as all of them together
It is certain that two vectors of different magnitudes cannot yield a zero resultant force.
Typical uses of vectors include force, position, velocity, acceleration, torque, rotational movement, and others.
Two vectors: no. Three vectors: yes.
There are no vectors used in playing billiards or pool. The use of vectors oversimplifies the action of the balls in play and simply does not apply to the game. The physics of cue ball action relies more on rotational momentum than simple vectors, and ball to rail interaction is a complex mathematical problem that cannot be determined by simple vectors.
Two vectors, no; three vectors yes.
resultant vector is a vector which will have the same effect as the sum of all the component vectors taken together.
Two vectors having same magnitude but different direction are called equivalent vectors.
Equal vectors are vectors having same direction of action or orientation as well as same magnitude. If two or more vectors have same magnitude but different direction then they cannot be called equal vectors. This shows that direction is important for equal vectors.
Yes, you can add vectors of equal length. Make sure they are equal by both of them having the same magnitude and direction. Otherwise, you can add equal vectors.
No it has no effect.
Two vectors with unequal magnitudes can't add to zero, but three or more can.
It depends on the length of the sides, if they are all equal in length, then yes. If not, then the probability of it having rotational symmertry is as likely as not.
The equivalent of force, for rotational movement, is called torque.