Question

Two students, A and B, push against each other. Initially, they do not move at all. However, after some time, A moves forward, and B moves backward. Which of the following statement (s) describes this condition?
a) Initially, A and B were applying forces of equal magnitude and opposite in direction to each other.
b) Later, A applied lesser force than B.
c) Later, B applied lesser force than A.
d) Initially, the forces were balanced. However, later the forces became unbalanced.
Initially, the forces were unbalanced. However, later the forces became balanced.

1. Only b and e are correct
2. Only a, c, and d are correct
3. Only a, b, and b are correct
4. Only b and d are correct