Which of the following objects is in dynamic equilibrium? A. A motorcycle going in a circle at a constant speed
B. A boy jumping off a diving board into a pool
C. A book sitting on a table without moving
D. A car driving in a straight line at 20 m/s

Isuck at math i am no sorry

That would be the corect answer hope this

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.