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a 50.0 kg child takes a ride on a ferris wheel that rotates with a tang…

Question

a 50.0 kg child takes a ride on a ferris wheel that rotates with a tangential speed of 1.2 m/s. find the centripetal force that maintains the circular motion of the child if the distance from the center of the ferris wheel is 16.0 m.

$f_c = ____ n$

3.75 n

4.5 n

450 n

16 n

Explanation:

Step1: Identificar la fórmula

La fórmula para la fuerza centrífuga es $F_c = \frac{mv^{2}}{r}$, donde $m$ es la masa, $v$ es la velocidad tangencial y $r$ es el radio.

Step2: Sustituir valores

Dado que $m = 50.0$ kg, $v = 1.2$ m/s y $r = 16.0$ m, sustituimos en la fórmula: $F_c=\frac{50.0\times(1.2)^{2}}{16.0}$.

Step3: Realizar cálculos

Primero calculamos $(1.2)^{2}=1.44$. Luego, $50.0\times1.44 = 72$. Finalmente, $\frac{72}{16.0}=4.5$ N.

Answer:

4.5 N