state gov BSSC Laboratory Assistant Mock Test Series 2025 Physics Laws of Motion Newton's Laws of Motion
A block moving in air breaks in two parts and the parts separate: Consider the following correct statements
(A) The total momentum must be conserved
(B) The total kinetic energy must be conserved
(C) The total momentum must change
(D) The total kinetic energy must be changed
Choose the correct answer from the options given below:
1
(A), (B) and (D) only
2
(A) and (C) only
3
(A), (B), (C) and (D)
4
(A) and (D) only