Assertion (A): In first-class levers, increasing the ef... | Science Class 7

Science Class 7 Other

Asked by Y.JESSICA GEONA RAJ · HOME SCHOOL

Assertion (A): In first-class levers, increasing the effort arm makes lifting easier.
Reason (R): A longer effort arm requires less force to lift the same load.

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A Both true & R is correct explanation
B Both true, R not explanation
C A true, R false
D A false, R true