You throw a heavy iron ball as hard as you can straight out into an open field. Without it bouncing off any object, hitting a wall, or using any strings or attachments, how can you make the ball stop completely and travel backward?
Throw it straight up into the air
Gravity will cause the ball to decelerate, stop at its peak height, and fall back downward toward the ground.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Medium. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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