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Imagine that the person suddenly removed their hand from under the soccer ball.Describe how the free body diagram would change. You can draw the new free body diagram if you prefer.State the direction of the net force on the ball. Explain what would happen to the motion of the ball. Use the word accelerate in your answer.

Question

Imagine that the person suddenly removed their hand from under the soccer ball.Describe how the free body diagram would change. You can draw the new free body diagram if you prefer.State the direction of the net force on the ball. Explain what would happen to the motion of the ball. Use the word accelerate in your answer.

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Solution

Cuando la persona retira su mano de debajo del balón de fútbol, el diagrama de cuerpo libre cambiaría de la siguiente manera:

  1. Diagrama de cuerpo libre original (con la mano debajo del balón):

    • Fuerza hacia arriba: Fuerza normal (N) ejercida por la mano.
    • Fuerza hacia abajo: Fuerza de gravedad (mg).
  2. Nuevo diagrama de cuerpo libre (sin la mano debajo del balón):

    • Fuerza hacia abajo: Fuerza de gravedad (mg).

En el nuevo diagrama de cuerpo libre, la única fuerza que actúa sobre el balón es la fuerza de gravedad, que apunta hacia abajo.

Dirección de la fuerza neta: La fuerza neta sobre el balón ahora apunta hacia abajo, en la misma dirección que la fuerza de gravedad.

Explicación del movimiento del balón: Al retirar la mano, la fuerza normal desaparece y la única fuerza que actúa sobre el balón es la gravedad. Esto significa que el balón experimentará una aceleración hacia abajo debido a la gravedad. En otras palabras, el balón comenzará a caer hacia el suelo, acelerando a una tasa de 9.8m/s29.8 \, \text{m/s}^2 (asumiendo que estamos en la Tierra y no hay resistencia del aire significativa).

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