1.

A toy car ( made of soft iron ) and two bar magnets are arranged as shown in the figure. What would happen if the magnet 'A' is moved towards the car as shown in the figure. ?

Answer»

The carwill not have any IMPACT due to the MOTION of the magnet .
The car moves away from magnet A.
The car moves towards magnet A.
The car moves till it is EXACTLY mid-way between the two magnets.

Solution :SINCE the front part of the toy car is in contact with the south pole of a magnet B, its rear part acts as the south pole. As magnet A moves towards the rear part of the car, it should move away from magnet A due to magnetic repulsion.
Hence , the correct option is (b).


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