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Question
An actual pulley system always has mechanical advantage less than velocity ratio because:
Options
A part of effort is wasted in overcoming friction.
A part of effort is wasted in overcoming the load of the movable block.
A part of the effort is wasted in overcoming friction, and another part of the effort is wasted in overcoming the load of the movable block.
None of these
MCQ
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Solution
A part of the effort is wasted in overcoming friction, and another part of the effort is wasted in overcoming the load of the movable block.
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