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Physics 7 Online
OpenStudy (anonymous):

A roller whose diameter is 1.0 m weighs 360N.What horizontal force is necessary to pull a roller over a brick 0.1 m high when the force is applied at the center.

OpenStudy (mos1635):

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OpenStudy (anonymous):

ok then

OpenStudy (anonymous):

apply principle of moments??

OpenStudy (mos1635):

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