Sandblasting is a process in which an abrasive material, entrained in a jet, is directed onto the

Question:

Sandblasting is a process in which an abrasive material, entrained in a jet, is directed onto the surface of a casting to clean its surface. In a particular setup for sandblasting, the casting of mass $m$ is placed on a flexible support of stiffness $k$ as shown in Fig. 4.44(a). If the force exerted on the casting due to the sandblasting operation varies as shown in Fig. 4.44(b), find the response of the casting.

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