8. Centripetal Forces & Gravitation

The acceleration due to gravity is approximately $10\text{m}/{\text{s}}^2$. Why does the seconds unit appear twice in the denominator?

What is the standard value of the acceleration due to gravity near the Earth's surface?

What is the approximate value of the acceleration due to gravity on the surface of the Moon?

What is the approximate value of the acceleration due to gravity for an object in free fall near the surface of the $Earth$?

The acceleration due to gravity on Earth is $9.8m/s^2$. What is the weight of a $75\mathrm{kg}$ person on Earth?