Subject :Rea Class : Class 6
Subject :Sam Class : Sample
Ans 11:
Class : Class 7
It is b as first class lever are L-F-E which means fulcrum is between load and effort thus the ans. is scissors, claw hammer, pliers which is option B.
Ans 13:
Class : Class 6
When we take out nail from a surface, the load and efforts are at either ends and fulcrum in the middle.
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Subject :Rea Class : Class 7
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Subject :Sam Class : Sample
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Subject :IGK Class : Class 7
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Subject :Sam Class : Sample
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Subject :Sam Class : Sample
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Subject :Rea Class : Class 3
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Subject :Rea Class : Class 3
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Subject :Sam Class : Sample