The Coefficient of Static Friction Between a Seal and a Steep

question 29

Multiple Choice

The coefficient of static friction between a seal and a steep rock is 0.8. What is the steepest incline angle of a rock that the seal can lie on without slipping?

• A)37°
• B)39°
• C)52°
• D)We do not know the mass of the seal, so we cannot calculate the angle.

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