A projectile is fired horizontally in a region of no air resistance.The projectile maintains its horizontal component of velocity 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 velocity to begin with.
D)the net force acting on it is zero.
E)none of these

Question

Quizplus · Accepted Answer

In the absence of air resistance, the only force acting on the projectile is gravity, which acts vertically downwards. Since there are no other horizontal forces acting on the projectile, its horizontal component of velocity remains constant.

A Projectile Is Fired Horizontally in a Region of No