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The mechanical advantage of an actual pulley isless than 1 . give reason |
| Answer» TION:In an actual PULLEY DUE to friction, the mechanical advantage is less than 1 (i.e. the effort is more than the load). The reason for using the pulley when its mechanical advantage is equal to 1 or less than 1 is that the pulley allows US to apply the effort downwards i.e. in a convenient direction. | |