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A 1 kg mass is hung at the 0 mark of a meter stick and a 3 kg mass is hung at the 100 cm mark of the same meter stick. If the mass of the meter stick is 0.2 kg, at which of the following points of the meter stick could you balance the system on one finger?

Select one:
a. 38.9 cm
b. 50 cm
c. 73.8 cm
d. 96.9 cm

  • Physics - ,

    Let fulcrum be at x cm from the 0 mark.

    Then 1kg*x cm = 3kg*(100-x) cm

    Expand and solve for x.

  • Physics - ,


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