Pendulum Tension at Lowest Point
A pendulum of length L and mass m is released from rest at an angle θ₀ from the vertical. Assuming air resistance is negligible, what is the tension in the string at the lowest point of the pendulum’s swing?
A
mg(3 - 2cos θ₀)
B
mg(1 + 2sin²(θ₀/2))
C
mg(1 + 2sin²(θ₀/2)) = mg(3 - 2cos θ₀)
D
mg(1 + cos θ₀)
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