Task id13309
Seller: nerdmavr
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Product description
A disk of radius R and thickness d is mounted on a shaft of radius r in such a way that it exerts pressure P per unit contact surface (figure). Friction coefficient of contacting surfaces m. What force must be applied to the disk in order to remove it, moving with speed v, from a shaft rotating with angular speed w? How many times does it differ from the force with which you will have to remove the disk from the stationary shaft? (The shaft rotates relative to the disk, the disk moves forward.)
Additional information
Answer. Format gif