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Why Is Vertical Acceleration Negative? [Solved]
Towards the center of the Earth, the gravity is defined to the be negative. At all points on the trajectory of a projectile, the gravitational acceleration points in the same direction, which is downwards toward the center of the Earth. So, the sign for the gravitational acceleration is always negative.1 Mar 2017
Why is the acceleration same (negative) when a body rises and then falls under gravity freely?
This video tries to explain why the
What is Negative Acceleration and Positive Acceleration? Physics
The easy and quick concept of
Positive or Negative? - Intro to Physics
This video is part of an online course, Intro to Physics. Check out the course here: https://www.udacity.com/course/ph001.
