An object with a mass of #6 kg# is on a ramp at an incline of #pi/12 #. If the object is being pushed up the ramp with a force of # 3 N#, what is the minimum coefficient of static friction needed for the object to remain put?
1 Answer
Jun 1, 2017
The coefficient of static friction is
Explanation:
Taking the direction up and parallel to the plane as positive
The coefficient of static friction is
Then the net force on the object is
So,