A pulley simplifies work by __________.

decreasing the distance moved

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changing the direction of effort

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increasing the distance moved

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transmitting the effort to the load

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Solution

The correct option is B changing the direction of effort
A single pulley essentially changes the direction of the pull or force applied. When a person uses two or more pulleys in a system, then the system also multiplies the force applied besides changing its direction.

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A pulley simplifies work by __________.

The correct option is B changing the direction of effortA single pulley essentially changes the direction of the pull or force applied. When a person uses two or more pulleys in a system, then the system also multiplies the force applied besides changing its direction.

The correct option is B changing the direction of effort
A single pulley essentially changes the direction of the pull or force applied. When a person uses two or more pulleys in a system, then the system also multiplies the force applied besides changing its direction.