24 Apr 2021

The fire tongs has its arms 20 cm long. It is used to lift a coal of weight 1.5 kgf by applying an effort at a distance 15 cm from the fulcrum. Find : (i) the mechanical advantage of fire tongs and (ii) the effort needed.

 

The fire tongs has its arms 20 cm long. It is used to lift a coal of weight 1.5 kgf by applying an effort at a distance 15 cm from the fulcrum. Find : (i) the mechanical advantage of fire tongs and (ii) the effort needed.

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