You hold a meterstick with the same suspended masses at the angles shown. Rank the torque needed to keep the stick steady from largest to smallest.
The rank of the torque needed to keep the stick steady from largest to smallest.
Answer to Problem 20A
Explanation of Solution
Introduction:
The torque acting about an axis of rotation due to the force
Where,
For the given cases, weight will be same for all cases and acts in downward direction. Hence, the angle between the distance and the force for the case C and D are
Then, the torque can be written as,
Conclusion:
Hence, the rank is,
Chapter 11 Solutions
Conceptual Physics: The High School Physics Program
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