1.

Define 1. static friction 2. sliding friction and 3. rolling friction

Answer»

1. The maximum force exerted by a surface on a body so long as it remains stationary is called the force of static friction. 

2. The minimum force required to keep the body moving over a surface such that it moves equal distances in equal intervals of time is called the force of sliding friction.. 

3. The minimum force required to roll a body on a surface is called the force of rolling friction.



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