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$\bullet$ For the vectors $\vec{A}$ and $\vec{B}$ shown in Figure $1.22,$ carefully sketch (a) the vector sum $\vec{A}+\vec{B} ;$ (b) the vector difference $\vec{A}-\vec{B} ;$ (c) the vector $-\vec{A}-\vec{B} ;(\mathrm{d})$ the vector difference $\vec{\boldsymbol{B}}-\vec{\boldsymbol{A}}$

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Physics 101 Mechanics

Chapter 1

Models, Measurements, and Vectors

Physics Basics

University of Michigan - Ann Arbor

University of Sheffield

McMaster University

Lectures

04:16

In mathematics, a proof is…

04:48

In mathematics, algebra is…

07:55

For the vectors $\overrigh…

15:47

For the vectors $\vec{A}$ …

13:05

04:28

Copy the vectors in the fi…

14:15

01:45

The sum of two vectors, $\…

05:08

02:58

For vectors $\mathbf{a}=\l…

02:11

05:35

(II) (a) Given the vectors…

03:26

For the two vectors $\vec{…

05:56

(II) $(a)$ Given the vecto…

06:20

02:33

For the two vectors $\over…

05:22

Given the vectors $\overri…

04:44

(II) ($a$) Given the vecto…

01:37

Given the vectors $\mathbf…

09:01

02:19

Equal vectors For the poin…

01:28

(a) find two unit vectors …

Okay, so this wondering Chapter one problem 37. So for the vectors, Egg and beach shown in a figure but straw Lis the year. So Hey, is this way a magnitude of 12.0 meters and B Is this fine with a magnitude of 18.0 meters, with the spangle being 37? The grease. Okay, so now that we got this set up, A wants us to sketch the vector sum a plus B. Okay, so a plus b when we're doing Vector Edition, we always do Teo to tail. So a plus piece of a first it comes out this way. Now we need the tail of the other one to the tip A to continue citizens. Bu looks like that. We imagine it this way. They're the resultant is from the origin to the so that the this right here stay must be cool. So now for B, you mean right here? This was eh? Plus, So we'll be the ones to find the vector difference. Eh? Maya's b So this we can now again we start with Dae. So a comes out here. Here's our any vector. But now positive people This way right. Like here. But we're adding a negative piece. We need to flip that 1 80 degrees and then go up this way. So are beacons out This book here is our negative. Begin here. Right here. It's a plus. Negative. The or a minus? Pervert. Look, let's move on to see so C wants us to do the vector Negative. Any minus B negative. A minus b so starless out negative. Any goes this way and again positive b would be out this way. Look, this thing uses being We've got a foot that Mississippi on A and B and then down here is our negative. A minus. Speak cool. Lastly party, we want to do the vacuum difference. D minus a. Okay, so what's first starter? But Darby doctor goes out this way. A was exactly parallel here. But where did minus a minus fingers out this way? This was be so there's a real conductor of B A perfect sketches

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