Where is the acceleration of the end of the hour hand directed? Will the acceleration be perpendicular to the instantaneous speed?
| November 17, 2020 | education
The hour (minute) hand of a watch, as a rule, rotates at a constant angular speed, and its end moves at a constant linear speed, while circumscribing a circle around an axis. For any movement along a circle with a constant speed, the acceleration is directed towards the center of the circle (along the arrow) and perpendicular to the instantaneous speed.
Answer: The acceleration of the arrow end is directed towards its own axis and perpendicular to the instantaneous speed.
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