 ##### Asked by: Maciej Tilmanns
asked in category: General Last Updated: 25th January, 2020

# Does air resistance affect horizontal velocity?

Horizontal direction:
Air resistance would cause a horizontal acceleration, slowing the horizontal motion, but since we're going to only consider cases where air resistance is negligible we can assume that the horizontal velocity is constant for a projectile. [Will we ever get to consider air resistance?!]

Simply so, does air resistance affect horizontal distance?

There are no forces acting on a projectile in the horizontal direction (neglecting air resistance), therefore the velocity is constant. The horizonatal velocity and the vertical velocity are independent of each other. One does not affect the other.

Likewise, how does air resistance affect the path of a projectile? Objects moving through air are slowed down due to air resistance, sometimes called drag. This air resistance affects a spacecraft when it re-enters the Earth's atmosphere but also the path of a projectile such as a bullet or a ball. The maximum height, the range and the velocity of the projectile are all reduced.

Simply so, how does air resistance affect velocity?

When air resistance acts, acceleration during a fall will be less than g because air resistance affects the motion of the falling objects by slowing it down. Air resistance depends on two important factors - the speed of the object and its surface area. Increasing the surface area of an object decreases its speed.

Does horizontal velocity affect time?

The length of the horizontal velocity vector doesn't change. THE VERTICAL & HORIZONTAL MOTIONS ARE INDEPENDENT. THE HORIZONTAL VELOCITY DOES NOT AFFECT THE VERTICAL MOTION. THE VERTICAL FALL TIME IS THE SAME AS LONG AS THE BALLS DROP SIMULTANEOUSLY FROM THE SAME HEIGHT.

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