ICSE /Class 10
Physics MCQ Based On Machines
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ICSE Class 10 Physics Machines
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The term ideal machine refers to a hypothetical mechanical system in which energy and power are not lost or dissipated through friction, deformation, wear, or other inefficiencies.
MA is the ratio of effort and load.
Gear
\\(Effort\\times length\\: of \\: inclined \\: plane = Load\\times height\\: of \\: inclined \\: plane\\)
Resistance force divided by the effort force
gear ratio = \\(\\frac{input\\: teeth}{output\\: teeth}\\) and Gear ratio of a gear is inverse of its mechanical advantage.
Efficiency is often measured as the ratio of useful output to total input.
A pulley is a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim.
It is class 3 lever.
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