A football is kicked into the air at an angle of 45 degrees with the horizontal. At the very top of the ball's path, the net force acting upon it is _______. (Neglect the effects of air resistance.)

When a football or any other particle is thrown at an certain angle then at highest point force acting on it is equal to the weight of object because no other force is acting in the vertical direction except gravity(Neglecting air resistance).

As long as there is no Force in Horizontal direction there will only be vertical force acting on the football at highest Point

Martebi Martebi · Answer 2 · 2022-03-21T16:17:07+01:00

At the very top of the ball's path, the net force acting upon it is Vertical Force Only.

Why is it entirely vertical force?

Note that as the projectile increase towards its peak, the horizontal velocity is said to be the same while its vertical velocity also decreases.

This implies that the acceleration of the object is vertical in nature and not horizontal. When at the peak and anywhere in the trajectory, one can know that there is a vertical (downward) acceleration.

This force is one that brings about an acceleration found in the same direction as the force that is downward.

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