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Mathematics 7 Online
OpenStudy (anonymous):

A man uses a single movable pulley to lift a heavy load with a frictionless rope. Which of the following pulley systems have/has a greater mechanical advantage than the one shown above? Pulleys at the top of the rope are fixed.

OpenStudy (anonymous):

OpenStudy (anonymous):

A X, Z, and Y B X only C X and Z

OpenStudy (anonymous):

@MelissaHolmes

OpenStudy (anonymous):

OpenStudy (anonymous):

@Gir_lover_♥

OpenStudy (gir_lover_♥):

D I think I'm not for sure

OpenStudy (anonymous):

D isn't a choice

OpenStudy (gir_lover_♥):

Th last one then

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