![A roller of mass 300kg and of radius 50cm lying on horizontal floor is resting against a step of height 20cm. The minimum horizontal force to be applied on the roller passing A roller of mass 300kg and of radius 50cm lying on horizontal floor is resting against a step of height 20cm. The minimum horizontal force to be applied on the roller passing](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/642845437_web.png)
A roller of mass 300kg and of radius 50cm lying on horizontal floor is resting against a step of height 20cm. The minimum horizontal force to be applied on the roller passing
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Moxi Skates!!! Turquoise + hot pink roller skates! Groovy (@emilee_m_hall) on Instagram: “She was a … | Pink roller skates, Roller skate shoes, Girls roller skates
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