1.5.1.12 — Describe, qualitatively, motion in a circular path due to a force perpendicular to the motion as: (a) speed increases if force increases, with mass and radius constant (b) radius decreases if force increases, with mass and speed constant (c) an increased mass requires an increased force to keep speed and radius constant 2 mv ( F = is not required) r continued www.cambridgeinternational.org/igcse 14 Subject content

1.5.1.12 — Describe, qualitatively, motion in a circular path due to a force perpendicular to the motion as: (a) speed increases if force increases, with mass and radius constant (b) radius decreases if force increases, with mass and speed constant (c) an increased mass requires an increased force to keep speed and radius constant 2 mv ( F = is not required) r continued www.cambridgeinternational.org/igcse 14 Subject content