Problem

A mobile is constructed from a metal bar and two wooden blocks as shown in the figure. The...

A mobile is constructed from a metal bar and two wooden blocks as shown in the figure. The metal bar has a mass of 1 kg and is 10 cm long, lhe metal bar has a 3-kg wooden block hanging from the left end and a string tied to it at a distance of 3 cm from the left end. What mass should the wooden block hanging from the right end of the bar have to keep the bar level?

a) 0.7 kg

b) 0.8 kg

c) 0.9 kg

d) 1.0 kg

e) 1.3 kg

f) 3.0 kg

g) 7.0 kg

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Solutions For Problems in Chapter 11

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