A projectile is fired horizontally in a region of no air resistance. The projectile maintains its horizontal component of speed because
A)it is not acted on by any forces.
B)it is not acted on by any horizontal forces.
C)it has no vertical component of speed to begin with.
D)the net force acting on it is zero.
E)none of the above

Question

Quizplus · Accepted Answer

The horizontal component of speed remains constant because there are no horizontal forces acting on the projectile. Gravity acts vertically, not horizontally.

A Projectile Is Fired Horizontally in a Region of No