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Component vectors can be used with a variety of different used in physics, including displacement, force, acceleration, electric field, etc.
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∙ 9y ago
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What are two factors do you need to know to calculate how much work has done in any situations?
The displacement produced by the body. The amount of force subjected to the body. The angle between the direction of force and displacement.
What is scalar in term of physics?
A scalar is any quantity that only has an amount, such as mass energy. You only need a number and a unit to specify these. This is in contrast to quantities that have an amount and a direction, which are called vectors: things like displacement or momentum.
What is a characteristic of a vector?
It has only magnitude and no direction. It depends on magnitude of two vectors which are multiplying and cosine of angle between them. A . B = AB (cosine of angle between them). Best example is 'work done by a force' = force . displacement = Fd(cosine of angle between force and displacement)
Is it possible the add a vector and scalar?
no!!!only scalars and scalars and only vectors and vectors can be added.
For any triangle made of vectors will any pair of vectors that form its sides be equal vectors?
No. Only in the equilateral case. And then they will only be equal in magnitude, not direction.
Can the sum of the magnitudes of two vectors ever be equal to the magnitudes of the sum of these two vectors?
only if the vectors have the same direction
Which group contain animals that are vectors?
Insects is the only group that contains animals that are vectors
What is the difference between orthogonal and orthonormal vectors?
All vectors that are perpendicular (their dot product is zero) are orthogonal vectors.Orthonormal vectors are orthogonal unit vectors. Vectors are only orthonormal if they are both perpendicular have have a length of 1.
Can the resultant of two vectors be 0?
Yes, but only if the size of the two vectors are the same but their direction is opposite.
Why can't we add or subtract vectors like scalars?
Because scalars do not take in the direction but just the magnitude while vectors can. You can add vectors ONLY if they are in the same direction.
Show that only N orthogonal vectors can be formed from N linearly independent vectors?
shut up now
Can the sum of two vectors be equal to either of vectors Explain?
Only if one of them has a magnitude of zero, so, effectively, no.
