What is a Vector?

# What is a Vector? Video Lecture | Physics for Airmen Group X - Airforce X Y / Indian Navy SSR

## Physics for Airmen Group X

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## FAQs on What is a Vector? Video Lecture - Physics for Airmen Group X - Airforce X Y / Indian Navy SSR

 1. What is a vector in mathematics?
Ans. In mathematics, a vector is a quantity that has both magnitude and direction. It is often represented by an arrow, where the length of the arrow corresponds to its magnitude and the direction of the arrow indicates its direction.
 2. How are vectors used in physics?
Ans. Vectors are extensively used in physics to represent various physical quantities, such as velocity, force, and displacement. By using vectors, we can accurately depict the magnitude and direction of these quantities, enabling us to analyze and solve complex physical problems.
 3. What are the components of a vector?
Ans. A vector can be broken down into its components, which are the projections of the vector onto the coordinate axes. In a two-dimensional Cartesian coordinate system, the components are usually represented as the horizontal and vertical parts of the vector.
 4. How do you add vectors?
Ans. To add vectors, you can use the graphical method or the component method. In the graphical method, you draw the vectors as arrows and place them head to tail. The resultant vector is then drawn from the tail of the first vector to the head of the last vector. In the component method, you break down the vectors into their horizontal and vertical components and then add the corresponding components separately.
 5. Can vectors have negative magnitudes?
Ans. Yes, vectors can have negative magnitudes. The sign of a vector's magnitude indicates its direction. A negative magnitude implies that the vector is pointing in the opposite direction of the positive magnitude. For example, if a vector has a magnitude of -5, it means it has a magnitude of 5 but is pointing in the opposite direction.

## Physics for Airmen Group X

199 videos|422 docs|281 tests

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