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ICSE Class 10 Physics Question 18 of 25

Solved 2025 Question Paper ICSE Class 10 Physics — Question 8

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Question

Question 6(ii)

Three levers X, Y, Z of equal lengths are shown in the diagram.

Three levers X, Y, Z of equal lengths are shown in the diagram. ICSE 2025 Physics Solved Question Paper.

(a) Which class of lever do these belong to?

(b) Among these (X, Y or Z) which one will give the maximum mechanical advantage? Justify your answer.

Answer

(a) All are class I levers since, the fulcrum is in between the load and effort.

(b) As,

Mechanical Advantage=Effort ArmLoad Arm\text {Mechanical Advantage} = \dfrac{\text {Effort Arm}}{\text {Load Arm}}

For X, effort arm is greater than the load arm. Hence, it has the maximum mechanical advantage.