Final answer:
The mass of the object with a weight of 0.8 N, when the gravitational acceleration is approximately 10 m/s², is found to be 0.08 kg. Therefore, answer A.) 0.08 kg is correct.
Step-by-step explanation:
To find the mass of the object from the given weight and acceleration due to gravity, we use the formula for weight, which is w = mg, where w is the weight in newtons, m is the mass in kilograms, and g is the acceleration due to gravity in meters per second squared (m/s²). In this case, the weight of the object is given as 0.8 N and the acceleration due to gravity is approximated as 10 N/kg (or 10 m/s²).
Using this information, we can rearrange the formula to solve for mass (m): m = w/g. Plugging in the values, we get m = 0.8 N / 10 N/kg which equals 0.08 kg.
Thus, the correct answer is A.) 0.08 kg.