A $2\mathrm{.}00$ kg projectile is fired at an angle of $20\mathrm{.}0.$ What is the magnitude of the force exerted on the projectile when it is at the highest position in its trajectory? Neglect any effects of air resistance.

$19\mathrm{.}6$ N

$4\mathrm{.}90$ N

$0$ N

$9\mathrm{.}80$ N

$14\mathrm{.}7$ N