Задача 11129.

A trolley weighing 1 kg, located on a horizontal surface, was pushed and it began to move equally slowly with an acceleration of 0.5 m / s ^ 2. After that, the load was hung on the cart on a weightless and inextricable thread thrown over the block, it began to move evenly. Find the weight of the load.

A detailed solution with a brief description of the condition, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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