if a vector dot b vector is equal to 0,then what is the angle between A vector and B vector?
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Answer:
There are two types of vector products. One is called scalar product or dot product which is denoted by A.B and is defined as a scalar |A||B| cos theta, where theta is the angle between A and B measured from A towards B in the positive direction. If this product is zero, then cos theta is 0. Then theta = 90°.
Explanation:
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Angle between vector and vector is .
Explanation:
- Dot product of two vectors is also called scalar product of vectors.
- Dot product is expressed as multiplication of magnitude of both the two vectors and the cosecant value of angle between them.
Here,
- · , where α is the angle between the vectors and .
- The result of dot product is a scalar number which is why it is called scalar product of vectors.
- Physical significance of dot product is the length of the projection of onto multiplied by the length of .
- For the dot product to be zero, angle should be equal to as .
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