In the schematic below, the block B has a mass of 25 kg. The coefficient of static friction between the block and the ramp is 0.42. The angle alpha is 0.19 radians. What is the magnitude of the force FR required to keep the block from sliding under the influence of a vertical gravitational acceleration of 9.8 m2/s?

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In the schematic below, the block B has a mass of 25 kg. The coefficient of static friction between the block and the ramp is 0.42. The angle alpha is 0.19 radians. What is the magnitude of the force F<sub>R </sub>required to keep the block from sliding under the influence of a vertical gravitational acceleration of 9.8 m<sup>2</sup>/s? <br/><br><img src='https://www.fatskills.com/images2/GradExams/69F3D345-8FA5-444C-B67D-97322E0868A3.png' height='344' width='626'/>






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