A box is being pulled to the right. What is the direction of the gravitational force?

What is work? how much work is done to move an object 0 meters?

Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?