Per NCERT Example 6.12, the angular acceleration of the same flywheel under a 25 N pull (τ = FR = 5 N m) is which?
A25 rad/s²
B2.0 rad/s²
C12.5 rad/s²
D5.0 rad/s²
Answer & Solution
Correct answer: C. 12.5 rad/s²
NCERT Ex 6.12: α = τ/I = 5.0 / 0.4 = 12.5 rad/s².
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