$A$ time varying force $F = 2t$ is applied on a spool rolling as shown in figure. The angular momentum of the spool at time $t$ about bottommost point is:
$A$ time varying force $F = 2t$ is applied on a spool rolling as shown in figure. The angular momentum of the spool at time $t$ about bottommost point is:
- A
$\frac{{{r^2}{t^2}}}{R}$
- B
$\frac{{{{(R + r)}^2}}}{r}\, t^2$
- C
$(R + r)t^2$
- D
data is insufficient
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