MCQ
The angle friction θ is given by –
  • A
    $\tan \mu_{ s }$
  • $\tan ^{-1} \mu_{ s }$
  • C
    $\frac{f S^{\max }}{N}$
  • D
    $\sin ^{-1} \mu_{ s }$

Answer

Correct option: B.
$\tan ^{-1} \mu_{ s }$
$\tan ^{-1} \mu_{ s }$

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