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Inclined Plane Calculations

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1. A weight of 30lb rests on an inclined plane 3 ft high and 5 ft long. a force F making an angle of 30° with the plane pulls the body upward. If the coefficient of friction is 0.20, how much force is necessary to maintain uniform motion upward?

2. A board is 8 ft long. how high will one end be raised so that a block on it will just begin to slide down if the coefficient of friction is 0.30?

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Solution Summary

This solution calculates the necessary force in each inclined plane scenario with full workings and annotated free body diagrams. All steps are shown with justifications.

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FRICTION
1. A a weight of 30lb rests on an inclined plane 3 ft high and 5 ft long. a force F making an angle of 30° with the plane pulls the body upward. if the coefficient of friction is 0.20, how much force is necessary to maintain uniform motion upward? ...

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