Предмет: Физика, автор: pestirevaelena

7. Первоначальная длина пружины без груза 12 см. После того, как был подвешен груз, длина пружины стала равна 22см. А) Определитеудлинениепружины В) Определите весгруза С) Определите жесткостьпружины КГ БИ Paluuulimlam 10 15 20

Приложения:

Ответы

Автор ответа: kolesic200

1

Ответ:

A) Δl = l - l0 = 22 см - 12 см = 10 см.

B) P = 12 Н.

C) P = Fупр = k * |Δl => k = P / |Δl = 12 Н / 0.1 м = 120 Н/м.

kolesic200: там динамометр показывает силу в кгс или в ньютонах?

kolesic200: А то что-то величину измерения на динамометре не видно!

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