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always use significant figure rules. remember that these rules apply to…

Question

always use significant figure rules. remember that these rules apply to all numbers that are measurements. calculate the force at sea level that a boy of mass 50 kg exerts on a chair in which he is sitting. n 50 490

Explanation:

Step1: Aplicar la fórmula de fuerza

La fuerza \( F \) que ejerce un objeto sobre una superficie es \( F = mg \), donde \( m \) es la masa y \( g \) es la aceleración debida a la gravedad (\( g = 9.8\,\text{m/s}^2 \) en el nivel del mar).

Step2: Sustituir valores

Dado \( m = 50\,\text{kg} \) y \( g = 9.8\,\text{m/s}^2 \), entonces \( F=(50\,\text{kg})(9.8\,\text{m/s}^2) \).

Step3: Calcular

\( F = 490\,\text{N} \).

Answer:

\( 490\,\text{N} \)