गुरुत्वाकर्षण के कारण पृथ्वी पर मुक्त रूप से गिरती वस्तु का त्वरण है:

उत्तर: (A) 9.8 m/s² — Acceleration due to gravity (g) on Earth is approximately 9.8 m/s² (often rounded to 10 m/s²). It is the same for all objects regardless of mass (in the absence of air resistance).