1.

There are three types of friction, namely sliding, static, and rolling. They are respectively denoted as \[{{f}_{sl}},{{f}_{st,}}\] and \[{{f}_{roll}}\]. On a given surface, the given frictional forces are related as

A.  \[{{f}_{sl}}>{{f}_{st}}>{{f}_{roll}}\]         
B.  \[{{f}_{st}}>{{f}_{sl}}>{{f}_{roll}}\]
C.  \[{{f}_{st}}>{{f}_{roll}}>{{f}_{sl}}\]         
D.  \[{{f}_{sl}}>{{f}_{roll}}>{{f}_{st}}\]
Answer» C.  \[{{f}_{st}}>{{f}_{roll}}>{{f}_{sl}}\]         


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