Physics, 18.06.2020 04:57 sodiumvlogsYT

A 12.0-kg block is pushed across a rough horizontal surface by a force that is angled 30.0◦ below the horizontal. The magnitude of the force is 75.0 N and the acceleration of the block as it is pushed is 3.20 m/s2. What is the magnitude of the contact force exerted on the block by the surface?

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A 12.0-kg block is pushed across a rough horizontal surface by a force that is angled 30.0◦ below th...