What is the effect of increasing the length of a beam on its deflection under a

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Question: What is the effect of increasing the length of a beam on its deflection under a uniform load?

Options:

Correct Answer: Increases deflection

Solution:

Increasing the length of a beam under a uniform load increases its deflection, as deflection is proportional to the length cubed.

What is the effect of increasing the length of a beam on its deflection under a uniform load?

What is the effect of increasing the length of a beam on its deflection under a uniform load?

Step 1: Understand what a beam is. A beam is a long, horizontal structure that can support weight.
Step 2: Know what deflection means. Deflection is how much a beam bends or moves downwards when weight is applied.
Step 3: Recognize what a uniform load is. A uniform load means the weight is spread evenly across the entire length of the beam.
Step 4: Learn about the relationship between length and deflection. When the length of the beam increases, it becomes less stiff and bends more under the same load.
Step 5: Remember the rule: deflection increases with the cube of the length. This means if you double the length, the deflection increases by a factor of eight (2^3).
Step 6: Conclude that increasing the length of the beam will lead to greater deflection when a uniform load is applied.

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