ICSE Class 6 Answered
a lever of first order has a total lengt of 3 mand is able to lift a load of 60N with a force of 30 N.Find the position of fulcrum.I want answer in both effort arm and load arm
Asked by sanketadhau297 | 05 Feb, 2021, 02:13: PM
Expert Answer
Mechanical advantage = Load / Effort = 60 N / 30 N = 2
Also , Mechanical advantage = Length of effort arm / Length of Load arm = 2
Hence , ( Length of effort arm ) = 2 ( Length of Load arm )
Total length of lever = ( Length of effort arm ) + ( Length of Load arm ) = 3 m
Hence , we get , Length of effort arm = 2 m and Length of load arm = 1 m
Hence Fulcrum is at a distance 1 m from point of load or at a distance 2 m from point of application of effort
Answered by Thiyagarajan K | 11 Jul, 2021, 11:51: AM
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