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11 grade physics others

What is the position of the center of gravity of a rectangular lamina?

  • A. At the midpoint of the longer side
  • B. At the midpoint of the shorter side
  • C. At the point of intersection of its diagonals
  • D. At one of the corners

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11 Months agoGrade
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1 Answer

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ApprovedApproved Tutor Answer11 Months ago

The center of gravity of a rectangular lamina is located at a specific point that can be easily identified. For a rectangle, this point is determined by its symmetry.

Correct Answer

The correct answer is C. At the point of intersection of its diagonals.

Explanation

In a rectangular shape, the diagonals are equal in length and intersect at the center of the rectangle. This intersection point is where the mass is evenly distributed, making it the center of gravity.

Key Points

  • The center of gravity is the balance point of an object.
  • For symmetrical shapes like rectangles, it lies at the intersection of the diagonals.
  • This principle applies to all uniform rectangular laminae regardless of their size.

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