The law of conservation of momentum states that the total
momentum of a group of objects does not change unless outside forces act
on the objects.
Answer: 1. Magnetic lines of force start from the North Pole and end at the pole, they're continuos through the body of the magnet
, Magnetic lines of force can meet up with iron more easily than air.
, Two magnetic lines of force can't intersect one another, they have a tendency to contract longitudinally., they have an inclination to expand laterally.
Answer:
I think option (d) is right answer