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September 23, 2014

September 23, 2014

Posted by **Anonymous** on Sunday, October 28, 2007 at 1:24pm.

- physics -
**drwls**, Sunday, October 28, 2007 at 1:47pmPlease show your own work for additional assistance. i did one for you already. It's your turn.

- physics -
**sunday**, Monday, September 3, 2012 at 8:19pmCOMPONENTS OF VECTORS

Vectors are not given all the time in the four directions. For doing calculation more simple sometimes we need to show vectors as in the X, -X and Y, -Y components.

components of vector

For example, look at the vector given below, it is in northeast direction. In the figure, we see the X and Y component of this vector. In other words, addition of Ax and Ay gives us A vector. We benefit from trigonometry at this point. I will give two simple equations which you can use and find the components of any given vector.

components of vector

All vectors can be divided into their components. Now we solve an example and see how we use this technique.

Example Find the resultant vector of A and B given in the graph below. (sin30º=1/2, sin60º=√3/2, sin53º=4/5, cos53º=3/5)

vector example

We use trigonometric equations first and find the components of the vectors then, make addition and subtraction between the vectors sharing same direction.

vector example solution

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