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Sure.freshbox said:as given in the question, can I assume that Vi=0 t=12s for Gear B/Drum C as well?
Rotational motion in gears is the movement of gears in a circular or rotational direction around an axis. This motion is used to transfer energy and power between different parts of a machine or system.
Gears are used to change the speed, direction, and torque of rotational motion. They do this by interlocking and transferring power from one gear to another, causing them to rotate at different speeds and in different directions.
There are several types of gears, including spur gears, helical gears, bevel gears, and worm gears. Each type has a different shape and is used for different purposes, such as increasing or decreasing speed or changing the direction of rotation.
The speed and torque of rotational motion in gears can be calculated using the gear ratio, which is the ratio of the number of teeth on the input gear to the number of teeth on the output gear. The speed is inversely proportional to the gear ratio, while the torque is directly proportional.
Gears are used in many everyday objects, such as bicycles, cars, and watches. They are also used in industrial machinery, such as engines and turbines, to transfer power and control speed. Gears are also important in robotics and automation, where precise and controlled rotational motion is necessary.