BPSC – Combined Competitive Examination · ಪ್ರಶ್ನೆ 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?
ಉತ್ತರ ತೋರಿಸು ಮತ್ತು ವಿವರಣೆ
ಉತ್ತರ: (C) 2100 J
ವಿವರಣೆ
Work = force × displacement = 140 N × 15 m = 2100 J.
- (A) ತಪ್ಪು
Wrong: W = 140 × 15 = 2100 J.
- (B) ತಪ್ಪು
Wrong: W = 140 × 15 = 2100 J.
- (C) ಸರಿ
Correct: W = F × s = 140 × 15 = 2100 J.
- (D) ತಪ್ಪು
Wrong: W = 140 × 15 = 2100 J.