JEE Exam > JEE Videos > Additional Study Material for JEE > 15 to 16 - Solution to Vectors, Physics
15 to 16 - Solution to Vectors, Physics Video Lecture | Additional Study Material for JEE
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FAQs on 15 to 16 - Solution to Vectors, Physics Video Lecture - Additional Study Material for JEE
| 1. What is a vector in physics? |  |
Ans. In physics, a vector is a quantity that has both magnitude and direction. It is represented by an arrow, where the length of the arrow represents the magnitude and the direction of the arrow represents the direction of the vector. Examples of vectors include displacement, velocity, and force.
| 2. How do you add vectors? | |
Ans. To add vectors, you can use the head-to-tail method. In this method, place the tail of the second vector at the head of the first vector. The resultant vector is the vector that starts from the tail of the first vector and ends at the head of the second vector. Another method to add vectors is using the component method, where you break down the vectors into their x and y components and then add the corresponding components separately.
| 3. What is the difference between scalar and vector quantities? | |
Ans. Scalar quantities are the ones that have only magnitude and no direction, while vector quantities have both magnitude and direction. Examples of scalar quantities include distance, speed, and temperature, while examples of vector quantities include displacement, velocity, and force.
| 4. How can you find the magnitude of a vector? | |
Ans. The magnitude of a vector can be found using the Pythagorean theorem. If the vector is given in component form as (x, y), the magnitude can be calculated as √(x^2 + y^2). If the vector is given in unit vector form as magnitude multiplied by a unit vector, the magnitude is simply the value of the magnitude mentioned in the unit vector form.
| 5. What is the difference between position vector and displacement vector? | |
Ans. A position vector represents the position of a point in space with respect to a reference point or origin. It gives the coordinates of the point in terms of x, y, and z components. On the other hand, a displacement vector represents the change in position of an object from one point to another. It has both magnitude and direction, indicating the distance and direction of the object's movement.
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Oct 24, 2024 Last updated |
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