# arrow_back What is a dot product in physics?

in Physics 70 views
What is a dot product in physics?

 dot product: $\underline{a} \cdot \underline{b} = a_1 b_1 + a_2b_2 + ... = |\underline{a}| |\underline{b}| \cos{\theta}$, $W = \underline{F} \cdot \underline{d}$ where F is force and d is distance
by Wooden
(2,016 points)

## Related questions

Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993
What is a cross product in physics?
Let $\mathbf{u}$ be a vector in $R^{100}$ whose $i$ th component is $i$, and let $\mathbf{v}$ be the vector in $R^{100}$ whose $i$ th component is $1 /(i+1)$. Find the dot product of $\mathbf{u}$ and $\mathbf{v}$.Let $\mathbf{u}$ be a vector in $R^{100}$ whose $i$ th component is $i$, and let $\mathbf{v}$ be the vector in $R^{100}$ whose $i$ th component is $1 ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 What is the dot product of$\mathbf{u}$a column matrix and$\mathbf{v}$a column matrix? 1 answer 12 views What is the dot product of$\mathbf{u}$a column matrix and$\mathbf{v}$a column matrix?What is the dot product of$\mathbf{u}$a column matrix and$\mathbf{v}$a column matrix? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 What is the dot product of u a row matrix and v a column matrix? 1 answer 13 views What is the dot product of u a row matrix and v a column matrix?What is the dot product of u a row matrix and v a column matrix? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 What is the dot product of u a column matrix and v a row matrix? 1 answer 13 views What is the dot product of u a column matrix and v a row matrix?What is the dot product of u a column matrix and v a row matrix? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 What is the dot product of u a row matrix and v a row matrix? 1 answer 9 views What is the dot product of u a row matrix and v a row matrix?What is the dot product of u a row matrix and v a row matrix? ... close Notice: Undefined index: avatar in /home/customer/www/mathsgee.com/public_html/qa-theme/AVEN/qa-theme.php on line 993 Let$a, b$and$c$be vectors in$\mathrm{R}^{3}, \times$denotes the cross product, . the dot product. Which of the following is false? 0 answers 10 views Let$a, b$and$c$be vectors in$\mathrm{R}^{3}, \times$denotes the cross product, . the dot product. Which of the following is false?Let$a, b$and$c$be vectors in$\mathrm{R}^{3}, \times$denotes the cross product, . the dot product. Which of the following is false? A.$-a \time ...