This is the 13380th most frequent Russian word.
нагрузку
"Load" or "burden" in English, referring to weight, pressure, or workload.
In this sentence, 'нагрузку' refers to physical effort or weight increase during exercise.
Я увеличил нагрузку на тренировках.
I increased the load during workouts.
Here, 'нагрузку' is used to describe mental stress or effort required for a task.
Эта работа требует большой умственной нагрузки.
This work requires a lot of mental effort.
In this context, 'нагрузку' signifies physical weight or pressure exerted on a structure.