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CENTRIPETAL FORCE and CENTRIFUGAL FORCE while Attacking Corner!

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Centripetal and Centrifugal Force in Car Racing

In car racing, vehicles frequently move through high-speed corners. During cornering, two related forces are commonly discussed: centripetal force and centrifugal force. These forces explain why the car can follow a curved racing line and why drivers feel pushed sideways inside the cockpit.

Centripetal Force in Racing

Centripetal force is the force that pulls the car toward the center of the corner. This inward force is what allows the car to follow a curved path instead of sliding straight ahead.

In racing cars, centripetal force mainly comes from:

  • Tire grip and friction between the tires and the track surface
  • Aerodynamic downforce that increases tire traction at high speed
  • Suspension load transfer that helps maintain tire contact with the road

When a driver turns the steering wheel, the tires generate lateral grip. This grip creates the centripetal force that pulls the car toward the inside of the corner.

The magnitude of centripetal force can be calculated using: 

F = (m × v²) / r
  • F = centripetal force
  • m = mass of the car
  • v = speed of the car
  • r = radius of the corner

This means:

  • Higher speed produces greater cornering force.
  • Tighter corners require more grip to maintain the racing line.

Centrifugal Force in Racing

Centrifugal force is the apparent force that seems to push the car and the driver toward the outside of the corner.

From the driver's perspective inside the car:

  • When the car turns left, the driver feels pushed toward the right side of the cockpit.
  • When the car turns right, the driver feels pushed toward the left side.

This outward force is what racing drivers experience as lateral G-force. At high speeds, the force can be very strong.

Typical cornering G-forces in racing:

Vehicle Type Typical Cornering G-Force
Normal road car 0.7 – 0.9 G
Sports car 1.0 – 1.3 G
GT race car 1.5 – 2.0 G
Formula racing cars 4 – 6 G

Cornering in a Racing Line

In racing, drivers use a technique called the racing line:

  • Enter the corner from the outside of the track
  • Reach the apex (closest point to the inside of the corner)
  • Exit back toward the outside of the track

This path increases the corner radius, reducing the centripetal force required and allowing the driver to maintain higher speed through the corner.

Simple Summary

  • Centripetal force pulls the car toward the inside of the corner and keeps it on the curved path.
  • Centrifugal force is the outward force felt by the driver pushing them toward the outside of the turn.
  • These forces create the lateral G-forces experienced during high-speed racing.

Terms Similar to "Corner" in Car Racing

Dalam konteks balap mobil, kata corner berarti bagian lintasan yang berbelok. Ada beberapa istilah lain yang memiliki arti yang sama atau sangat berkaitan dengan corner.

Common Terms Similar to "Corner"

Term Meaning in Racing Context
Turn Istilah paling umum yang berarti tikungan pada lintasan.
Bend Tikungan yang biasanya lebih halus atau tidak terlalu tajam.
Curve Lintasan yang melengkung secara gradual.
Hairpin Tikungan sangat tajam (sekitar 180°).
Chicane Kombinasi tikungan kiri-kanan cepat untuk memperlambat mobil.
S-curve Serangkaian tikungan berbentuk huruf S.
Switchback     Dua tikungan tajam berlawanan arah secara berurutan.

Summary

  • Corner adalah istilah umum untuk tikungan di lintasan.
  • Istilah lain yang sering dipakai: turn, bend, curve.
  • Bentuk tikungan khusus memiliki nama seperti hairpin, chicane, dan S-curve.

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