For a shoe brake, the equivalent coefficient of friction is equal to (where $$\mu $$ = Actual coefficient of friction and $$\theta $$ = Semi-block angle)?

$$\frac{{2\mu \sin \theta }}{{\theta + \sin \theta }}$$
$$\frac{{\mu \sin \theta }}{{2\theta + \sin 2\theta }}$$
$$\frac{{4\mu \sin \theta }}{{\theta + \sin \theta }}$$
$$\frac{{4\mu \sin \theta }}{{2\theta + \sin 2\theta }}$$

LohaHridoy

5 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 4

Let'

5 views Answered 2022-09-01 13:21

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