Bennett Mechanical Comprehension Practice Test 2025 - Free Practice Questions and Review Guide

Question: 1 / 400

What is the advantage of using an inclined plane to lift an object?

It increases the speed of lifting

It reduces the force needed over a shorter distance

It reduces the amount of force needed to lift the object over a longer distance

Using an inclined plane to lift an object can significantly reduce the amount of force needed to lift that object, while simultaneously requiring the motion to occur over a longer distance. The inclined plane allows the user to apply a smaller amount of force over the length of the ramp instead of lifting the object directly upward. This is due to the mechanical advantage provided by the slope of the inclined plane.

When you push or pull an object up an incline, the weight of the object is effectively distributed across the length of the ramp, which makes it easier to raise the load compared to lifting it vertically. Thus, while the distance traveled is longer, the required effort or force to lift the object is decreased, making it a practical tool for moving heavy items with less manual effort. The other options either misrepresent the mechanics of using an inclined plane or do not accurately describe the benefit of reducing force while increasing the distance.

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It allows for a heavier load to be lifted vertically

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