I twist and turn, yet I lead straight ahead, guiding movement through friction. What am I?
Category: Science · Difficulty: hard
Hint: Think about the mechanics in machines.
Answer
A gear system
Explanation
A gear system translates rotational motion through the engagement of toothed wheels, providing mechanical advantage.
This is a hard science riddle — a tricky one that takes a little thought. The answer is A gear system.
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