Question

An object is at rest on a level table and in contact with nothing but the table. I reach out and touch the object, exerting a horizontal force on it. I continue to do this, and after a minute, the object moves across the table.

The static frictional force is greatest shortly before the object moves.

The static frictional force is greatest before I touch the object.

The static frictional force is zero before I touch the object.

The static frictional force has the same value at all times before the object moves.

Answer 1

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