A pulley is used to lift heavy objects by changing the magnitude of force.

True

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False

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Solution

The correct option is B False
Pulleys are simple machines that can change the direction of force
They also increase mechanical advantage when we use multiple pulleys together.
This process decreases the amount of force required to lift something up.
Hence the given statement is False.

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Similar questions

Q. A ________ is used to lift heavy objects.

Which device is use to lift up or more heavy object using less force ?

___ is a simple machine used to lift heavy objects.

Read the following statements carefully.

Statement 1: A lever is a simple machine which is used to lift heavy weights with the minimum amount of effort.
Statement 2: In the inclined plane, there is a slanting surface which connects two points at different heights so that the heavier objects can be moved up or down easily.
Statement 3: A Pulley is used to lift heavy objects by changing the direction of the force.
Statement 4: A screw is a simple machine made of wood or metal with at least one slanting side ending in a sharp or pointed edge.
Which of the following is an incorrect statement? State the reason for your answer.

Q. _______is used to lift heavy objects from one place to another place.

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A pulley is used to lift heavy objects by changing the magnitude of force.

The correct option is B FalsePulleys are simple machines that can change the direction of forceThey also increase mechanical advantage when we use multiple pulleys together.This process decreases the amount of force required to lift something up.Hence the given statement is False.

The correct option is B False
Pulleys are simple machines that can change the direction of force
They also increase mechanical advantage when we use multiple pulleys together.
This process decreases the amount of force required to lift something up.
Hence the given statement is False.