When a bicycle is in motion, the mouth which is used to fill the air will perform
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the tyre of cycle will perform circular motion so the mouth will also perform circular motion
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Explanation:
- The motion of a point or a body ( here the valve of the cycle tyre) is considered with respect to a point of reference.
- So if we see the valve of the tyre with respect to the tyre itself then valve will be considered static as the position of valve is not effected but if we consider the center of tyre as reference point then the valve is in a circular motion now again if the point of reference is changed to the path in which the cycle is moving then the valve of the tyre shows a linear motion (that is it moves forward).
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