An object is at rest on an inclined plane. in which direction does the static friction force act? 1) opposite to the direction of the gravitational force 2) in the direction of the gravitational force 3) in the direction of the normal force 4) along the surface of an inclined plane in an upward direction

Aproduction line at v. j. sugumaran's machine shop has three stations. the first station can process a unit in 7 minutes. the second station has two identical machines, each of which can process a unit in 16 minutes (each unit only needs to be processed on one of the two machines). the third station can process a unit in 10 minutes. ▼ is the bottleneck station, with a bottleneck time of nothing minutes per unit (enter your response as a whole number).