An 8 kg metal block of dimension 16 cm × 8 cm × 6 cm is lying on a table with its face of largest area touching the table. If g = 10 ms–2, the minimum amount of work done in making it stand with its length vertical is

Q: An 8 kg metal block of dimension 16 cm × 8 cm × 6 cm is lying on a table with its face of largest area touching the table. If g = 10 ms–2, the minimum amount of work done in making it stand with its length vertical is

(a) 0.4 J

(b) 6.4 J

(c) 64 J

(d) 4 J

Ans: (d)