Tagged Questions
2
votes
2answers
291 views
Question Based On Galileo's Law Of Falling Bodies
Galileo discovered that the distance fallen is proportional to the square of the time it has been falling.Why is it proportional to the square of the time and not just time?
i.e $d \propto t^2$ why ...
6
votes
1answer
253 views
Circular motion when F=ma'
I apologize in advance if this question is deemed too general or too similar to this and this question.
How would mechanics be different if $F=mx'''$ instead of $F=ma$? I feel like I have ...
5
votes
6answers
971 views
Why F=ma and not F=ma'?
What would happen if instead of $F=m*d^2x/dt^2$, we had $F=m*d^3x/dt^3$ or higher?
Intuitively, I have always seen a justification for ~1/r^2 forces as the "forces beeing divided equally over the ...
3
votes
4answers
314 views
Is a periodic force capable of transporting a particle to large distances?
I have a particle at rest. At $t = 0$ a periodic force like $F_0 \sin\omega t$ starts acting on my particle. Can such a force transport my particle to infinity when $t \to \infty$? Please answer this ...
8
votes
2answers
360 views
Shaking a jar of balls
A jar is filled with two types of balls, red and green. Red balls have radius $r_1$ and mass $m_1$, green balls have radius $r_2$ and mass $m_2$.
If initially the balls are randomly placed throughout ...
