Question

Radius of gyration of parallepiped​

Answer 1

Answer:

Explanation:This is the answer

Answer 2

Answer:

Imagine a cube weight fixed onto the end of a pendulum rod. At first you might think that the distance from the pivot to the center of the weight is the dimension to use for calculating the pendulum's swing rate. That is NOT right! Imagine slicing the cube into eight cubes. Now measure the distances from the pivot to the centers of each cube. The average distance is longer than the original distance.

The formula for radius of gyration for a square (parallelepiped) is shown in the attached picture.

If the cube is 2 x 2 with its center at 10 from the pivot then the Radius of Gyration is 10.033 which is 0.033 more than might be expected. Think of it as the corners being a little farther out from the center.