a worker used a lever of 2 meter to move a stone of 490 N. he place a small block of wood to support the lever at a distance of 0.5 meter from the stone. what is the effort to be applied to move the stone.
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place a small block of wood to support the lever at a distance of 0.5 meter from the stone. what is the effort to be applied to move the stone.
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Question 9: There is no gain in mechanical advantage in the case of a single fixed pulley. Explain, why the pulley is then used?
Answer: It is used only to change the direction of effort to a more convenient direction and to use one’s own weight for the effort.
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