Question

sparks are seen when a racing car speeds along a track this is due to​

Answer 1

Hey Mate!!

The sparks are from titanium skid blocks embedded in the 'legality plank' on the underside of the car. At high speed the cars are pressed down onto the track by aerodynamic forces causing the titanium to generate sparks.

Mostly this happens in case of F1 Cars.

Basically, it's due to Friction..

Hope this helps you!!

Answer 2

Answer:

friction between the vehicle and the road