A person presses on a shovel with a force of 6 – N. What is the pressure of the shovel on the soil, if the width of its blade

A person presses on a shovel with a force of 6 – N. What is the pressure of the shovel on the soil, if the width of its blade is 20 cm, and the thickness of the cutting edge is 0.5 mm.

F = 6 N.
a = 20 cm = 0.2 m.
d = 0.5 mm = 0.0005 m.
P -?
Pressure P is the ratio of the force F to the area S on which this force acts.
P = F / S.
Let’s consider the area of the shovel blade S, which is in contact with the ground in the form of a rectangle.
S = a * d.
P = F / a * d.
P = 6 N / 0.2 m * 0.0005 m = 60,000 Pa.
Answer: the pressure of the shovel on the soil is P = 60,000 Pa.



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