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| 1. |
Limiting friction |
| Answer» The maximum value of static friction when the object just begins to move is called limiting friction.<br>Maximum value of static friction<br>The amount of friction that can be applied between two surfaces is limited and if the forces acting on the body are made sufficiently great, the motion will occur. Hence, we can define limiting friction as the maximum value of static friction that comes into play when the body is just at the point of sliding over the surface of another body. Limiting friction is the product of normal force and coefficient of limiting friction. Mathematically, this is represented asF=muNHere,mu\xa0is the coefficient of limiting friction and N is the normal forceThe limiting friction is always opposite to the motion of the object. | |