Problem 3:

For the casting shown in the accompanying figure, calculate the minimum amount of weight

(in kg) necessary to keep the cope from floating up as the molten metal is poured.

Section A-A

5.08 12.54

IT

7.62

-2.54

6.35

-10.16-

127-

Material: Low-carbon steel

Density: 7.196775 g/cm³

All dimensions in centimeters

R=1.905 cm