Multiple Choice
A 200-kg box is placed on a ramp.As one end of the ramp is raised,the box begins to move downward just as the angle of inclination reaches 18.0°.What is the coefficient of static friction between box and ramp?
A) 0.42
B) 0.32
C) 3.1
D) 0.27
E) 62
Correct Answer:
Verified
Correct Answer:
Verified
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