A red ball is shot from the origin into a parabolic flight. It is your task to hit this ball with the blue one.
On both objects gravity is acting. You do not control directly the motion of you blue ball, but you can apply a
force on it. The black line attached to the blue ball shows the strength an direction of this force.
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You can changes the force by hitting the arrow keys.
The up-arrow increases the vertical compenent of the force; the down-arrow reduces it. SImilarly for the left and right arrow.
Do realize that a force needs time to change the trajectory of an object: mass has inertia.
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