Q

A worker lifts a 10 kg sack of rice from the ground onto a truck 2 metres above the ground. Calculate the work done. (g = 10 m/s²)

RRB Ministerial & Isolated Categories (Senior Publicity Inspector); RRB Technician Grade-III 12/09/2025 / Shift-III; 27/12/2024 / Shift-III 2025; 2024
✓ Answer: D 200 J
W = mgh = 10 × 10 × 2 = 200 J.