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Question 12, 13 & 14, Exercise 3.2

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. Find the value of $z.$ ====Solution==== {{ :fsc-part1-kpk:sol:unit03:math-11-kpk-3-2-q13.svg?nolink |Question 13}} By head to tail rul... have\\ \begin{align}\vec{u}+\vec{v}&=\vec{w}\\ (2\hat{i}+3\hat{j}+4\hat{k})+(-\hat{i}+3\hat{j}-\hat... ition vectors of the points $A,B,C$ and $D$ are $2\hat{i}-\hat{j}+\hat{k}$,$3\hat{i}+\hat{j},$ $2\hat{i}+4\hat{j}-2\hat{k}$ and $-\hat{i}-2\hat{j}+\hat

Question 6 Exercise 3.4

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====Question 6(i)===== A force $\vec{F}=3 \hat{i}-2 \hat{j}+5 \hat{k}$ acts on a particle at $(1,-2,2)$. Find the moment or torque of t... ===Question 6(ii)===== A force $\vec{F}=3 \hat{i}-2 \hat{j}+5 \hat{k}$ acts on a particle at $(1,-2,2)$. Find the moment or torque of the force about the point $(1,2,1)$ ====Solution==== Let $\vec{r}$

Question 7, Exercise 3.2

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==== <text align="left"><btn type="primary">[[fsc-part1-kpk:sol:unit03:ex3-2-p4 |< Question 5 & 6 ]]</btn></text> <text align="right"><btn type="success">[[fsc-part1-kpk:sol:unit03:ex3-2-p6|Question 8 >]]</btn></text>