question_subject:
Science
question_exam:
CAPF
stats:
0,31,51,21,31,9,21
keywords:
{'periodic motion': [0, 0, 0, 2], 'periodic motions': [0, 0, 0, 1], 'simple harmonic motions': [0, 0, 0, 1], 'simple harmonic motion': [0, 0, 4, 4], 'periodicity': [0, 0, 0, 1], 'motion': [0, 0, 0, 3], 'simple harmonic': [0, 0, 0, 1]}