General questions: A car is being towed at constant velocity on a horizontal road using a horizontal chain. The tension in the chain must be equal to the weight of the car in order to maintain constant velocity.

Question

Quizplus · Accepted Answer

The tension in the chain must balance the frictional force and any other horizontal forces acting on the car, not its weight, to maintain constant velocity. The weight of the car is a vertical force and is balanced by the normal force from the road.

General Questions: a Car Is Being Towed at Constant Velocity