51.7k views
3 votes
1. Why is the direction of free fall acceleration sometimes negative?

User Aloso
by
6.2k points

1 Answer

5 votes
If you define the ground as position zero and points above that to have positive altitudes, then the acceleration caused by gravity points in the negative direction. ... Gravity still acts in the downward direction. And the upward force from the floor is equal and opposite to your weight.
User Shuping
by
6.6k points