Smooth wedge, particle, elastic collision.

[STEP III 1990 Question 12 (Mechanics)]

Uniform square lamina, revolution about axis, rotation.

[STEP III 1990 Question 11 (Mechanics)]

Centre of gravity, non-uniform rod, light inextensible string.

[STEP II 1990 Question 13 (Mechanics)]

Light inextensible string, circular motion, reaction force.

[STEP II 1989 Question 14 (Mechanics)]

Uniform rectangular lamina, vertical plane, peg.

[STEP II 1989 Question 12 (Mechanics)]

Skater, force, travelling in a circle, hitting bank.

[STEP I 1988 Question 12 (Mechanics)]

String, ring, static equilibrium, shortest distance, plane polar coordinates, equation of curve.

[STEP II 1987 Question 12 (Mechanics)]

Uniform rod, light inextensible string, inclined to the vertical, tension, resolve forces, centre of mass.

[STEP III Specimen Question 12 (Mechanics)]