A crowbar is used to lift a load of 1200 N by placing it at a distance of 25 cm from the fulcrum Calculate the force required at 60 cm from the fulcrum to balance the load.
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Explanation:
L= 1200N
Ld = 25 cm = 0.25m
Ed = 60 cm = 0.60m
E=?
Then,
According to the principle of lever,
Lx LdEx Ed On solving, E = 500 N
Which is the required force.
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