THis is for problem 6/6 You have a massless meter stick. Scale 1 is at 20cm and

Question

THis is for problem 6/6

You have a massless meter stick. Scale 1 is at 20cm and Scale 2 is at 80cm. Mass ] is 10kg at Ocrn. Mass 2 is 8kg at 70cm. What is the force measured on scale 1? What is the force measured at scale 2? Use only torque. Draw the picture You have a see-saw. One end of the see saw is tied to the ceiling as shown. Lt is in equilibrium. There is one fulcrum marked 'A' and two children, Kendall and Lauren. What is the tension in the string7 What, is the vertical force, F, at the fulcrum?

Explanation / Answer

sum torque about scale 1:
F*.6 + 10*9.81*.2-8*9.81*.5=0

F at scale 2 = 32.7 N

sum torque about scale 2:

8*9.81*.1 + 10*9.81*.8 - F*.6 =0
F at scale 1 = 143.88 N

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