Asked by Max

What's the tangential acceleration of a freely swinging pendulum when it makes an angle θ with the vertical?

Answers

Answered by drwls
a = F/M

The acceleration equals the component of the weight along the direction of motion (F), divided by M.

You may need to draw a figure to see the relationship between Weight (M g), Tension and F. The angle theta is used in calculating the components.

The accelerating force F is perpendicular to T, the pendulum string tension.
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