Question

Tollbooth stations on roadways and bridges usually have a piece of wire stuck in the pavement before them that will touch a car as it approaches. Why is this done?

a) Increase in car speed
b) Decrease in car speed
c) Discharge of static charge
d) Increase in toll collection efficiency

Answer 1

The wire stuck in the pavement before tollbooth stations on roadways and bridges is done to discharge static charge from the vehicles.

Step-by-step explanation:

The wire stuck in the pavement before tollbooth stations on roadways and bridges is done to discharge static charge from the vehicles.

As vehicles move, friction can build up between the tires and the road, creating a potential difference or static charge. The wire stuck in the pavement before tollbooth stations on roadways and bridges is done to discharge static charge from the vehicles.

If this charge is not discharged, it can cause electrical shock to the driver or create sparks that could ignite flammable materials.

The wire provides a path for the static charge to flow into the ground, preventing any potential hazards and ensuring the safety of both the driver and the tollbooth staff.