Solution of task 15.1.5 from the collection of Kepe OE

Solution of task 15.1.5 from the collection of Kepe OE

15.1.5.
A heavy material point can be mixed in the vertical plane from the polo
A in position B along an arc of circle 1 or along an arc of circle 2. Will the work of force
Is the gravity of the point the same for these movements? (Answer Yes)

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