Q: 63 (IAS/2013)
question_subject:
Science
question_exam:
IAS
stats:
0,67,46,10,29,67,7
keywords:
{'ball bearings': [0, 0, 0, 1], 'effective area': [0, 0, 0, 1], 'wheel': [0, 0, 0, 1], 'axle': [0, 0, 0, 1], 'bicycles': [0, 0, 0, 1]}
The effective area of contact between the wheel and axle is reduced," is considered correct