How can pulleys increase the mechanical advantage?

Answer 1

Pulleys alter the direction of the applied force making it easier for us to apply it.
It doesn't multiply the force. It merely changes direction providing mechanical advantage.

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Answer 2

Pulleys can increase mechanical advantage by distributing the force needed to lift an object across multiple ropes or chains. This reduces the amount of force required from the person lifting the object.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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