A hockey puck sliding at constant velocity across the ice is
A)in equilibrium.
B)nearly in equilibrium.
C)is nowhere near being in equilibrium.
D)none of the above

Question

Quizplus · Accepted Answer

When an object is in equilibrium, the net force acting on it is zero. In this case, since the hockey puck is sliding at a constant velocity on the ice, there is no acceleration and therefore no net force acting on the puck. This means the puck is in equilibrium.

A Hockey Puck Sliding at Constant Velocity Across the Ice