Question

Болотистая почва выдерживает давление 3 кПа . Человек делает плетеные лыжи площадью 0,24кв.м каждая для передвижения по болоту. Определите вес человека. Учтите, что при ходьбе человеку приходиться становиться на одну ногу

Answer 1

Ответ:

вес 720 H

Объяснение:

P = 3 кПа = 3000Па

S = 0,24м^2

n = 2

F = ?

F = P*S = 3000 * 0.24 = 720 H

а масса будет (если надо)

720/10= 72 кг.

Answer 2

Calculating the Weight of the Person

To calculate the weight of the person, we can use the formula:

Pressure = Force / Area

Given: - Pressure = 3 kPa - Area of one snowshoe = 0.24 m²

We need to find the force exerted by the person on the snowshoe, which will give us the weight of the person.

Calculating Force

To calculate the force exerted by the person on the snowshoe, we can rearrange the formula:

Force = Pressure * Area

Substituting the given values: - Pressure = 3 kPa = 3,000 Pa (1 kPa = 1,000 Pa) - Area = 0.24 m²

Force = 3,000 Pa * 0.24 m²

Force = 720 Newtons

Determining the Weight of the Person

Since the person has to stand on one leg while walking, the weight of the person will be twice the force exerted on one snowshoe.

Weight of the person = 2 * Force

Weight of the person = 2 * 720 N

Weight of the person = 1440 N

Therefore, the weight of the person is 1440 Newtons.