Brilliant.org Science - The leftmost gears on the gear trains are driven clockwise at identical rotation rates. How many rotations does the gear A (red) complete during one full rotation of gear
![Basic principle of rotation motion, (a) meshing and (b) concentric gears | Download Scientific Diagram Basic principle of rotation motion, (a) meshing and (b) concentric gears | Download Scientific Diagram](https://www.researchgate.net/publication/316262903/figure/fig2/AS:485024211443713@1492650191514/Basic-principle-of-rotation-motion-a-meshing-and-b-concentric-gears.png)
Basic principle of rotation motion, (a) meshing and (b) concentric gears | Download Scientific Diagram
Which type of gear could be used as a locking mechanism to prevent rotation by any gear other than the driving gear? - Quora
![If the smallest gear rotates in clockwise direction, in which direction will the largest gear rotate? If the smallest gear rotates in clockwise direction, in which direction will the largest gear rotate?](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/274027/content_2170648.png)