What is the coefficient of static friction between the drawer and the cabinet?

Drawer

Stephen Nelson asks:

A 3.0 kg silverware drawer does not slide readily. The owner gradually pulls with more and more force, and when the applied force reaches 9.5 N, the drawer suddenly opens, throwing all the utensils to the floor. What is the coefficient of static friction between the drawer and the cabinet?

Best answer:

Answer by Physicsquest
mg = 3 x 9.8 = 29.4 N

9.5/29.4 = 0.323

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