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A pendulum bob with a mass of 0.26 kg is attached to a 1.5 m long string as shown. As the pendulum bob swings from point A, where the angle θ = 37∘, to point B at the bottom of its arc, determine the change in the gravitational potential energy of the pendulum bob-earth system.

A pendulum bob with a mass of 0.26 kg is attached to a 1.5 m long string as shown. As the pendulum bob swings from point A, where the angle θ = 37∘, to point B at the bottom of its arc, determine the change in the gravitational potential energy of the pendulum bob-earth system.

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A pendulum bob with a mass of 0.26 k g is attached to a 1.5 m long string as shown.
As the pendulum bob swings from point A , where the angle θ = 37 ∘ , to point B at the bottom of its arc, determine the change in the gravitational potential energy of the pendulum bob-earth system.

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