Question

Подъемный кран Подъемный кран мощностью 6 кВт поднимает груз с постоянной скоростью 1,5 м/с. Определите массу груза. Ускорение свободного падения считать равным 10 Н/кг. Ответ дайте в килограммах, округлив до целых. Д

Answer 1

Ответ: 400кг

Объяснение:

Дано:

N-6кВт=6Вт

V=1,5м/с

g=10Н/кг

-----------------

m-?

N=F*V, где:

F-cила тяжести груза;

F=mg, где:

m-масса груза;

g-ускорение свободного падения

V-скорость подъема груза.

Отсюда:

m=N/(Vg)=6000/(1,5*10)=400кг

Answer 2

Calculation of the Mass of the Load

To determine the mass of the load being lifted by the crane, we can use the formula:

Force = Mass x Acceleration

In this case, the force is equal to the power of the crane, which is given as 6 kW. The acceleration is the acceleration due to gravity, which is approximately 10 N/kg.

Let's calculate the mass of the load:

Force = Mass x Acceleration

6,000 W = Mass x 10 N/kg

Dividing both sides of the equation by 10 N/kg, we get:

Mass = 6,000 W / 10 N/kg

Converting the power from watts to kilowatts:

Mass = 6 kW / 10 N/kg

Simplifying the equation:

Mass = 600 kg

Therefore, the mass of the load being lifted by the crane is approximately 600 kilograms.

Please note that the calculation assumes that the power of the crane is fully utilized to lift the load and that there are no other factors affecting the lifting process.