Question

EMERGENCY 55 POINTS-How could a change in straight line motion due to unbalanced forces be pre-

dicted from an understanding of inertia?

Answer 1

Inertia acts as speed and direction although a force can alter it and change its speed and direction. It can also stop something from moving like a train crashing the train stopped moving but the person kept moving (because of inertia)

Answer 2

Inertia causes a moving object to stay in motion at the same velocity (speed and direction) unless a force acts on it to change its speed or direction. It also causes an object at rest to stay at rest. When the car hit the wall (unbalanced force), the car stopped moving, but the man kept moving because of inertia.

Step-by-step explanation:

In this situation, when two forces are not equal, we say they are unbalanced. ... His First Law of Motion stated: A body continues at rest or in motion in a straight line with a constant speed until acted on by an unbalanced force. The tendency of a body to resist change is called inertia.