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Machines — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsMachines2 Marks
Question
Define the following terms with reference to machine:
(a) Ideal mechanical advantage (b) Efficiency
✓

Answer

(a) Ideal mechanical advantage is the ratio between the total load (useful load + resistance due to friction and movable parts of machine) moved to the effort applied.
(b) Efficiency is the ratio between the useful output to the actual input of the machine.

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