An Automobile Moves on a Level Horizontal Road in a Circle

question 25

Multiple Choice

An automobile moves on a level horizontal road in a circle of radius 30 m. The coefficient of friction between tires and road is 0.50. The maximum speed with which this car can round this curve is:

• A) 3.0 m/s
• B) 4.9 m/s
• C) 9.8 m/s
• D) 12 m/s
• E) 13 m/s

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Definitions:

Multiple Countershaft Transmission

A transmission design that features more than one countershaft, allowing for improved torque distribution and selection of gear ratios.

Torque Load

The force of rotation applied to an object or system, typically measured in Newton-meters or foot-pounds.

Rpm Shift Limits

Refers to the recommended revolutions per minute (RPM) range within which gear shifts should occur to optimize performance and fuel efficiency in vehicles.

Transmission

A mechanical system in vehicles that transfers power from the engine to the drive axle, modulating the power received according to speed and load.