Kinematics and forces

Centripetal acceleration and force

ac = v2/r  ·  Fc = mv2/r

v speed, r radius, m mass

Watch forCentripetal force isn't a new force; friction, tension, gravity, or a normal force supplies it.

Apply it · 4 questions

  1. Minimum speed at the top of a loopMotion, forces, and energy · set 1 · hard
  2. Centripetal force on a carMotion, forces, and energy · set 1 · medium
  3. Maximum speed on a flat curveMotion, forces, and energy · set 1 · hard
  4. Net force on a car rounding a curveMotion, forces, and energy · set 1 · medium