Questions
A object of certain mass is placed on a platform which oscillates up and down simple harmonically. If it is placed on the weighing machine, the reading of the machine will be
a
minimum at the lowest point
b
minimum at the highest point
c
minimum at the equilibrium position
d
same at all positions
detailed solution
Correct option is B
In a simple harmonic motion, the acceleration is always directed opposite to displacement. Hence at highest point, acceleration will be maximum in downward direction. So, the pseudo force on the person will be maximum in upward direction. This makes the normal reaction on the weighing machine decrease and hence shows minimum readingTalk to our academic expert!
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