ICSE Class 6 Answered
what are the types of lever
Asked by jaisingvandana | 24 Nov, 2021, 05:10: PM
Expert Answer
There are three types of levers depending upon the relative positions of the effort, load and fulcrum: (a) Class I levers, (b) Class II levers, and (c) Class III levers
Class I levers: In these types of levers, the fulcrum, F, is in between the effort, E, and the load, L. They are also called levers of the first order.
Example: -Seesaw, pair of scissors
Class II levers: In these types of levers, the load, L, is in between the effort, E, and the fulcrum, F. It is also called the lever of the second order.
Example: - Nut cracker, bottle opener
Class III levers: In these types of levers, the effort, E, is in between the fulcrum, F, and the load, L, and so the effort arm is always smaller than the load arm.It is also called the lever of the third order.
Example: - Sugar tongs, knife
Answered by Shiwani Sawant | 24 Nov, 2021, 05:46: PM
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