Physics - Vectors - Part 1 (13/08/2021)
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An unbelievable play on an American Football field is the perfect backdrop for understanding crucial physics concepts. Michelle Buchanan goes play-by-play on the vectors, the scalars, and the glory of a downright scientific touchdown.

Lesson by Michelle Buchanan, animation by TED-Ed.

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In this video, we look at how to work out the resultant of two forces at an angle by using a vector diagram.

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Vector multiplication can be tricky, and in fact there are two kinds of vector products. We already learned the dot product, which is a scalar, but there is another way to multiply vectors to get another vector, and it's called the cross product. Let's learn how to do this now!

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In this video, we look at what is meant by scalar and vector quantities. We then look at distance as an example of a scalar quantity and displacement as an example of a vector quantity.

This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.

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View more lessons like this at http://www.MathTutorDVD.com

In this lesson, we will learn how to add vectors graphically in order to find the sum of two vectors. This process is called finding the resultant vector.

In this process, the vectors are drawn head to tail and then the resultant vector is drawn from the tail of the first vector to the head of the second vector.

We calculate the sum of vectors for many purposes. We might add two forces together or add two displacement vectors. We can even add angular momentum vectors or add velocity vectors. The process works for any two vectors that should be added together to solve physics problems.

This video explains how to use the parallelogram method to find the resultant sum of two vectors. You need to be familiar with law of cosines formula in order to make this work.

Kinematics In One Dimension: https://www.youtube.com/watch?v=dHjWVlfNraM

Free Fall Physics Problems:
https://www.youtube.com/watch?v=BVgemK1Y2wA

2-Stage Rocket Problem:
https://www.youtube.com/watch?v=EAQDQbeCTdk

Terminal Velocity:
https://www.youtube.com/watch?v=DxnDkDwK3JA

Motion Time Graphs:
https://www.youtube.com/watch?v=nUb7xfkc0Ac

________________________________
Vectors - Basic Introduction:
https://www.youtube.com/watch?v=EwSHKuSxX_8

Resultant Force - Two Vectors:
https://www.youtube.com/watch?v=RxV06Oj5sMc

Projectile Motion Problems:
https://www.youtube.com/watch?v=tfItlGfPHyo

Relative Velocity:
https://www.youtube.com/watch?v=_39hCnqbNXM

Newton's Law of Motion:
https://www.youtube.com/watch?v=g550H4e5FCY

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This physics and precalculus video tutorial explains how to find the dot product of two vectors and how to find the angle between vectors. The full version of this video explains how to determine if two vectors are orthogonal / perpendicular, parallel, or neither using the dot product formula and by analyzing the slope. It also explains how to find the scalar projection and the vector projection of v onto w.

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Applied Mechanics class on resolution of Vectors in 2D. This video explains how to resolve a vector into the horizontal and vertical component for a 2-dimensional Cartesian coordinate system with solved examples.

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What are all these funny little arrows? They're vectors! And we will use them to represent every single force we discuss in physics, so we need to know how to draw them, add them, subtract them, split them up into X and Y components, the whole nine yards. We also need to know the difference between vectors and scalars. So let's get this stuff taken care of before we dive into the physics!

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This physics video tutorial explains how to find the resultant of two vectors.

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