Iron filings scattered around a magnet will be most strongly drawn toward the _____.
2 answers:
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Here the weight is hung from the thread inside the ceiling of train
now the FBD of train is analysed
We can say
now by ratio of two equations we have
this shows that train must be in accelerating condition due to which the thread is making an angle with the vertical
now we will have
2 The train is not an inertial frame of reference.
Since train is accelerating so it must be non inertial frame
5 The train may be moving at a constant speed in a circle.
Since its moving in circle so it is in accelerating condition
8 The train must be accelerating.