# Interactive video lesson plan for: s2 midterm U6 review vectors components scalar components direction

#### Activity overview:

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Him good day students in this clip we are going over some examples reviewing the resolution of vectors. So let's take a look at the first example that says eight force of sixty-five pound acts on an object at an angle of thirty degrees a second force of seventy pound acts on the same object at an angle of negative fifty-five degrees what is the magnitude and direction of the resultant force before we going to of creating a sketch of the situation in resolving the vector that is go over some formulas real quick as he have a force F Allen express this force is not component for the written as a coordinate see have F in the X direction, as in the Y direction okay how the find the X and Y components of this force assented the angle the direction of the forces Theta then we can simply find the components of this forced by evaluate and F cosine Theta for the X components or the horizontal component and F sign Theta for the why component or the vertical component of the force if you want to find the magnitude the magnitude of the vector magnitude of F Meyer to F is written as of the absolute Valley of the vector to value notation, but this is known as the norm part magnitude of the effect of and this can be evaluated using the Pythagorean third where the AMB are the X and Y components so that it evaluate the square root of the sum of the

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