.
A. increased.
B. remained the same.
C. decreased.
D. was conserved.
A. the total initial momentum of all objects interacting with one another usually equals the total final momentum.
B. The total initial momentum of all objects interacting with one another does not equal the total final momentum.
C. the total momentum of all objects interacting with one another is zero.
D. the total momentum of all objects interacting with one another remains constant regardless of the nature of the forces between the objects.
a. equal in magnitude and direction.
b. equal in magnitude and opposite in direction.
c. in the same direction but of different magnitudes
d. in opposite directions and possibly of different magnitudes.
a. the momentum of each object is conserved.
b. the total momentum of the system is zero.
c. the total momentum is conserved only if the objects move in opposite directions.
d. the total momentum is always conserved.
A. Newton’s first law.
B. Newton’s second law.
C. Newton’s third law.
D. the law of conservation of energy.