ASVAB Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

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Question: 1 / 400

How does increasing the length of the effort arm in a lever affect the effort needed to lift a load?

Increases the effort needed

Decreases the effort needed

Increasing the length of the effort arm in a lever effectively increases the lever's "speed" or mechanical advantage, decreasing the amount of effort needed to lift a load. Option A is incorrect because increasing the effort arm length does the opposite. Option C is incorrect because it does have an effect on the effort needed. Option D is incorrect because it does not accurately describe the effect of increasing the effort arm length on the effort needed.

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Has no effect on the effort needed

Makes the effort arm heavier

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