Hi,
why is the projectile acceleration of the x component zero? How could that be said? By definition, by calculation or by what?

Question

Hi,
why is the projectile acceleration of the x component zero? How could that be said? By definition, by calculation or by what?

anonymous · Answer

Acceleration is the result of some form of force. In projectile problems, they usually specify to ignore air resistance, which would be the only force acting in the x-direction. Since there is no force, there is no acceleration.

anonymous · Answer

only force acting is mg in y direction and none in x so no accelelration in x direction

anonymous · Answer

This is because when a body is in motion,the body is moving in a relative velocity motion with time,the vertical component is the velocity while the horizontal component is the time phrase..the horizontal is zero because the body is moving and not stagnant