As per your syllabus, the direction of the centripetal acceleration vector is always which?
AAlong velocity
BToward the centre
COutward radially
DTangent to circle
Answer & Solution
Correct answer: B. Toward the centre
Your syllabus: a_c points along -r̂ (centre-seeking).
Newton coined 'centripetal'; Huygens analysed it (1673).
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