Kinematics and forces

Newton's second law

Fnet = ma

Fnet net force, m mass, a acceleration

Watch forSum all forces first. On an incline, gravity's component along the ramp is mg sin θ.

Apply it · 3 questions

  1. Acceleration down a frictionless inclineMotion, forces, and energy · set 2 · medium
  2. Apparent weight in an accelerating elevatorMotion, forces, and energy · set 2 · medium
  3. Newton's second law with kinetic frictionMotion, forces, and energy · set 2 · easy