he specifications for a steel ball used in an “Angle Iron Apparatus” depend entirely on the specific physics experiment being performed, as this is a non-standard, likely lab-built apparatus.
However, based on the common use of a steel ball with an inclined plane (often built with angle iron) to study mechanics (like the conservation of energy or acceleration), typical specifications are:
- Material: Steel (chosen for high hardness and elasticity).
- Diameter (Size): Commonly used steel balls for such experiments range, but a frequent size cited is around 1.6 cm to 2.5 cm in diameter.
- Example 1 (Projectile Launchers, which use similar balls): 16 mm (or 5/8 inch).
- Example 2 (Double Inclined Plane): About 2.5 cm diameter.
- Mass: The mass will be determined by its diameter and the density of steel (approx. for carbon steel).
- A 2.5 cm diameter steel ball would have a mass of approximately 64.5 grams.
- A 1.6 cm diameter steel ball would have a mass of approximately 16.8 grams.
- Surface Quality: The ball should be clean, smooth, and free of defects to minimize rolling friction and ensure consistent experimental results.
In summary, the key specification is a very high-quality, perfectly spherical steel ball of a size suitable for the angle iron track (e.g., 1.6 cm or 2.5 cm diameter), ensuring the center of mass stays on the rolling line.







