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What is the formula for calculating the moment of inertia for a rectangular beam
What is the formula for calculating the moment of inertia for a rectangular beam section?
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Practice Questions
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Q1
What is the formula for calculating the moment of inertia for a rectangular beam section?
bh^3/12
bh^2/12
b^3h/12
b^2h/12
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The moment of inertia (I) for a rectangular beam section is given by I = bh^3/12, where b is the width and h is the height.
Questions & Step-by-step Solutions
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Q
Q: What is the formula for calculating the moment of inertia for a rectangular beam section?
Solution:
The moment of inertia (I) for a rectangular beam section is given by I = bh^3/12, where b is the width and h is the height.
Steps: 5
Show Steps
Step 1: Identify the dimensions of the rectangular beam section. You need to know the width (b) and the height (h) of the rectangle.
Step 2: Understand the formula for the moment of inertia. The formula is I = (b * h^3) / 12.
Step 3: Calculate h^3. This means you need to multiply the height (h) by itself three times (h * h * h).
Step 4: Multiply the width (b) by the result from Step 3 (b * h^3).
Step 5: Divide the result from Step 4 by 12 to get the moment of inertia (I).
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