Multiple Choice
A 100-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 25°.What is the coefficient of static friction between box and ramp?
A) 0.15
B) 0.27
C) 0.47
D) 0.95
Correct Answer:

Verified
Correct Answer:
Verified
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