BPSC – Combined Competitive Examination · પ્રશ્ન 126
A pair of oxen exerts a force of 140 N on a plough. The field ploughed is 15 m long. How much work is done in ploughing the length of the field?
જવાબ બતાવો અને સમજૂતી
જવાબ: (C) 2100 J
સમજૂતી
Work = force × displacement = 140 N × 15 m = 2100 J.
- (A) ખોટો
Wrong: W = 140 × 15 = 2100 J.
- (B) ખોટો
Wrong: W = 140 × 15 = 2100 J.
- (C) સાચો
Correct: W = F × s = 140 × 15 = 2100 J.
- (D) ખોટો
Wrong: W = 140 × 15 = 2100 J.