Figure 15.11
-Study Figure 15.11 in your textbook. At which minimum angle will the component of gravity that pulls a boulder downward be greater than the component of gravity that holds a boulder against a surface?

Question

Figure 15.11 
-Study Figure 15.11 in your textbook. At which minimum angle will the component of gravity that pulls a boulder downward be greater than the component of gravity that holds a boulder against a surface?

Quizplus · Accepted Answer

The component of gravity pulling a boulder downward becomes greater than the component holding it against the surface when the angle of the slope exceeds 45 degrees. Since 60 degrees is the first option greater than 45, it is the correct answer.

Figure 15.11 -Study Figure 15.11 in Your Textbook. at Which Minimum Angle