The adjacent diagram shows a heavy roller, with its axle at O, which is to be raised on a pavement XY. If there is frictionbetween the roller and pavement, show by an arrow on the diagram the point of application and the directionof force to be applied. "If pivoted at 0, now will it goup?" Please answer both parts!

The adjacent diagram shows a heavy roller, with its axle at O, which

1.	The adjacent diagram shows a heavy roller, with its axle at O, which is to be raised on a pavement XY. If there is frictionbetween the roller and pavement, show by an arrow on the diagram the point of application and the directionof force to be applied. "If pivoted at 0, now will it goup?" Please answer both parts!
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