defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Physics Motion in a Straight Line Acceleration
A hollow metal pipe is held vertically and bar magnet is dropped through it with its length along the axis of the pipe. The acceleration of the falling magnet is (g = acceleration due to gravity)
1
equal to g.
2
less than g.
3
more than g.
4
zero