Work is said to be one Joule when a force of
4 N moves an object by 25 cm.
2 N moves an object by 1 m.
1 N moves an object by 1 cm.
1 N moves an object by 50 cm.
Answer is Wrong!
Answer is Right!
This question was previously asked in
UPSC NDA-2 – 2021
Option A: F = 4 N, d = 25 cm = 0.25 m. W = 4 N × 0.25 m = 1 N·m = 1 J.
Option B: F = 2 N, d = 1 m. W = 2 N × 1 m = 2 J.
Option C: F = 1 N, d = 1 cm = 0.01 m. W = 1 N × 0.01 m = 0.01 J.
Option D: F = 1 N, d = 50 cm = 0.5 m. W = 1 N × 0.5 m = 0.5 J.