Bennett Mechanical Comprehension Practice Test 2025 – The Complete All-in-One Guide to Exam Success!

Question: 1 / 400

What type of mechanical advantage does a pulley system primarily use?

Force advantage

A pulley system primarily uses a force advantage. In mechanical contexts, the force advantage is achieved by distributing the weight of a load across multiple segments of rope or string in the pulley system. This allows a user to lift heavy loads more easily than they could with just their own strength. By pulling down on one end of the rope, the system can effectively lift a heavier load upward, since the force required to lift the load is reduced by the number of rope sections supporting it.

In addition, different configurations of pulleys, such as block and tackle setups, can maximize this force advantage even further, allowing for even heavier loads to be lifted with less applied effort. Although distance and speed are relevant factors in other mechanical systems, the primary benefit of a pulley system comes from its ability to make lifting easier through force reduction, rather than through changes in distance or speed.

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Distance advantage

Energy advantage

Speed advantage

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