(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The two ropes are used to lower a 267.18 kg piano 5.34 m from a second-story window to the ground. How much work is done by gravity force? (T1=1864 N, θ1=64°, T2=1231 N, θ2=50°.)

How much work is done by T1 force?

How much work is done by T2 force?

2. Relevant equations

W=Fd

W=FdCos(angle)

3. The attempt at a solution

the first part worked out fine i had gotten

13982.004 J

but when I tired the second I got it wrong cause i did

W=FdCos(angle) and then subtracted it from the answer in the first part

and had gotten

-9618.56 J

and for the third part I just used

the equation

W=Fdcos(angle)

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# Homework Help: Work piano

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