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A 430 kg piano is to be slid up a 3.5 m frictionless plank at a constant speed. The plank makes an angle of 30° with the horizontal. Calculate the work done by the person sliding the piano up the plank.
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A 430 kg piano is to be slid up a 3.5 m frictionless plank at a constant speed. The plank makes an angle of 30° with the horizontal. Calculate the work done by the person sliding the piano up the plank.

User Jeroen Van Dijk
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1 Answer

8 votes

Answer:

10628.87 1

Step-by-step explanation:

User Harshitha Veeramalla
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