zinkalice92771 zinkalice92771

15-03-2024
Physics

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A 135kg horizontal beam is supported at each end. A 305kg piano rests a quarter of the way from left end. What is the vertical force on the left support? Express your answer with the appropriate unit.
a) 305 N
b) 1020 N
c) 1525 N
d) 2030 N

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