An object with a mass of $15 k g$ $15 kg$ is revolving around a point at a distance of $17 m$ $1 7m$ . If the object is making revolutions at a frequency of $12 H z$ $12 Hz$ , what is the centripetal force acting on the object?

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Answer 1 · 2016-04-08T07:39:38

$F_{C} = 127.03 N$ $F_C=127.03N$

So from the question:

Given:

$m = 15 k g$ $m=15kg$
$r = 17 m$ $r=17m$
$v = 12 H z$ $v=12Hz$

We know:

$F_{C} = m \frac{v^{2}}{r}$ $F_C=mv^2/r$

$F_{C} = 15 \cdot \frac{12^{2}}{17}$ $F_C=15*12^2/17$

$F_{C} = 15 \cdot \frac{144}{17}$ $F_C=15*144/17$

$F_{C} = \frac{2160}{17}$ $F_C=2160/17$

$F_{C} = 127.03 N$ $F_C=127.03N$

An object with a mass of 15 kg15kg15 kg is revolving around a point at a distance of 1 7m17m1 7m. If the object is making revolutions at a frequency of 12 Hz12Hz12 Hz, what is the centripetal force acting on the object?