A load weighing 800 kg was raised to a height of 6 m, and then they allowed it to fall freely, due to the fall of the load

A load weighing 800 kg was raised to a height of 6 m, and then they allowed it to fall freely, due to the fall of the load on the pile, it deepened by 30 cm. Determine the force of soil resistance.

To determine the force of soil resistance, we will use the equality: A = ΔEp = ΔEk and Fcopr. * S = m * g * h, whence we express: Fcopr. = m * g * h / S.

The values of the variables: m is the mass of the cargo taken (m = 800 kg); g – acceleration due to gravity (g ≈ 10 m / s2); h is the height of the fall of the load (h = 6 m); s is the depth of immersion of the load into the ground (s = 30 cm = 0.3 m).

Let’s calculate: Fcopr. = m * g * h / S = 800 * 10 * 6 / 0.3 = 160 * 103 N = 160 kN.

Answer: The resistance of the soil is 160 kN.