Force definitely does not equal mass times velocity. You have $F=ma,$ and this holds up and down the slope, as well as normal to the slope (that is,...
Start with the red vector, which is $\begin{bmatrix}x_1-x_0 \\ y_1-y_0\end{bmatrix}$. If you rotate it "to the left" (in other words, anticlockwise)...
Currently a Senior who hasn't done something significant yet !
Location:
KSA
Interests:
Mathematics (Real, complex analysis and Special functions)
Occupation:
Student
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Yemen
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"It's not necessary for you to pick pen and paper to solve a problem, the most intriguing questions are those that you're thinking of most of the time anyway" Zaid Alyafey .