Torque excerted on the support by a mass

  • Thread starter mikefitz
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  • #1
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A 125-g mass is placed on one pan of a balance, at a point 25 cm from the support of the balance. What is the magnitude of the torque about the support exerted by the mass?

125kg*9.81m/s^2*.25m = 306.56 N*m

why is this wrong?
 

Answers and Replies

  • #2
radou
Homework Helper
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mikefitz said:
A 125-g mass is placed on one pan of a balance, at a point 25 cm from the support of the balance. What is the magnitude of the torque about the support exerted by the mass?

125kg*9.81m/s^2*.25m = 306.56 N*m

why is this wrong?

You mixed up the units [kg] and [g].
 
  • #3
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thanks a lot
 

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