Question

The value of impact force on a flat target is e its value on a hemispherical target for the same flow rate
1- equal to
2- larger than
3-smaller than

Answer 1

Answer:

The force on flat target is smaller than the hemispherical target , because the force is directly proportional to the pressure , thus the pressure of force depends on the amount of force applied and the area it is pressing on if the area is smaller then the amount of pressure will rise higher and if the area is wider then the force will face less pressure...

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