Скачать или смотреть Head to Tail Rule in Physics | Vector Addition of Forces - 9th Class Chapter 4 || Matric Part 1

Head to Tail Rule in Physics | Vector Addition of Forces - 9th Class Chapter 4 || Matric Part 1

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Описание к видео Head to Tail Rule in Physics | Vector Addition of Forces - 9th Class Chapter 4 || Matric Part 1

LEARN BRIDGE has brought to you lectures of PHYSICS
.
Lecturer in this lecture is Mr. Haris Ali Tahir
(M.Phil Physics from Agriculture University Faisalabad)
.
CHAPTER 4
.
Head to Tail Rule
.
For more videos visit / @learningbridge5404
.
This lecture is specially recorded for students to understand the Concept of Head to Tail Rule.
.
In this lecture we have discussed Head to Tail Rule as 'Head to tail rule is the graphical method of vector addition. According to this method. “Two or more vectors can be added by drawing the vector lines in such a way that thehead of one vector coincide with the tail of the other'.

A vector is a quantity that has magnitude and direction. Displacement, velocity, acceleration, and force, for example, are all vectors. In one-dimensional, or straight-line, motion, the direction of a vector can be given simply by a plus or minus sign. In two dimensions (2-d), however, we specify the direction of a vector relative to some reference frame (i.e., coordinate system), using an arrow having length proportional to the vector’s magnitude and pointing in the direction of the
vector.
. Explanation
Step 1. Draw an arrow to represent the first vector (9 blocks to the east) using a ruler
and protractor.
Step 2. Now draw an arrow to represent the second vector (5 blocks to the north). Place the tail of the second vector at the head of the first vector
Step 3. If there are more than two vectors, continue this process for each vector to be added. Note that in our example, we have only two vectors, so we have finished placing arrows tip to tail.

Step 4. Draw an arrow from the tail of the first vector to the head of the last vector. This is the resultant, or the sum, of the other vectors.
Step 5. To get the magnitude of the resultant, measure its length with a ruler. (Note that in most calculations, we will use the Pythagorean theorem to determine this length.)

Step 6. To get the direction of the resultant, measure the angle it makes with the reference frame using a protractor. (Note that in most calculations, we will use trigonometric relationships to determine this angle.)

The graphical addition of vectors is limited in accuracy only by the precision with which the drawings can be made and the precision of the measuring tools. It is valid for any number of vectors.

All these lectures are conducted in Urdu/English median to facilitate students.

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