Question 1

What is centripetal acceleration?

Accepted Answer

It's the acceleration toward the center of a circular path, calculated as a = v²/r or a = ω²r.

Question 2

Why do I feel pushed outward in a turn?

Accepted Answer

That's the sensation of centrifugal force, which is actually your body's inertia resisting the inward (centripetal) acceleration.

Question 3

How fast can a car corner?

Accepted Answer

Street cars typically corner at 0.8-1.0g. Racing cars on slick tires can exceed 2g lateral acceleration.

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