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ICSE Class 6 Answered

The load arm of a lever is 5m long and its effort arm is 4m.What is the effort needed to lift a load of 40N ? 
Asked by yashasvishukla17mar2009 | 05 Dec, 2020, 08:47: AM
Expert Answer
Load/effort = effort arm/ load arm 
40 / Effort = 4/ 5
Effort = (5x 40) /4 =50 N 
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