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A man pushes on a piano with mass 180 kg so that it slides
Chapter 8, Problem 9E(choose chapter or problem)
QUESTION:
A man pushes on a piano with mass 180 kg so that it slides at constant velocity down a ramp that is inclined at 11.0° above the horizontal floor. Neglect any friction acting on the piano. Calculate the magnitude of the force applied by the man if he pushes (a) parallel to the incline and (b) parallel to the floor.
Questions & Answers
QUESTION:
A man pushes on a piano with mass 180 kg so that it slides at constant velocity down a ramp that is inclined at 11.0° above the horizontal floor. Neglect any friction acting on the piano. Calculate the magnitude of the force applied by the man if he pushes (a) parallel to the incline and (b) parallel to the floor.
ANSWER:Solution 9E a) F x0 F=w sin 0 =180 (9.8)sin 11