Question #175231

An object of mass 15kg is at the point of sliding down a plane inclined at 36° to the horizontal. Find the least force parallel to the plane required to make the object to begin to up the plane (g=10m/s2)

1
Expert's answer
2021-03-24T19:38:32-0400

If there is no friction then


F=mgsin36°=159.81sin36°=86.5 (N)F=mg\sin36°=15\cdot9.81\cdot\sin36°=86.5\ (N) . Answer

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