Q. A curve with a 125 radius on a level road is banked at the accurate angle for a speed of 20.
If an automobile rounds this curve at 30, what is the minimum coefficient of static friction between tires and road necessary to prevent skidding?
Q. A street lamp weighs 152N. It is supported equally by two wires that form the angle of 120° with each other. What is the tension of each of these wires?