A speeding truck slams on its breaks and skids to a stop. If the truck were heavily loaded so it had twice the total mass, the skidding distance would be
A)half as far.
B)one-and-a-half times as far.
C)2 times as far.
D)4 times as far.
E)the same.

Question

Quizplus · Accepted Answer

The skidding distance when a vehicle brakes to a stop is independent of its mass. This is because both the frictional force and the inertia (which resists changes in motion) increase proportionally with mass, leading to the same deceleration rate and thus the same stopping distance.

A Speeding Truck Slams on Its Breaks and Skids to a Stop