Arizona State University (ASU) PHY101 Introduction To Physics Practice Exam

In the absence of force, how does a moving object behave?

It comes to a stop It continues to move in a straight line at a constant speed It changes direction It accelerates

Correct Answer:

It continues to move in a straight line at a constant speed

Explanation:

A moving object in the absence of net force will continue to move in a straight line at a constant speed due to the principle of inertia. This concept is derived from Newton's first law of motion, which states that an object at rest will remain at rest, and an object in motion will continue in that state of uniform motion unless acted upon by an external force. In this scenario, since no forces are acting on the object, there is nothing to change its state of motion. Therefore, the object will maintain both its speed and direction, illustrating that it continues its trajectory without any alteration. Such behavior exemplifies the fundamental properties of how objects exhibit motion under inertial frames, reinforcing that forces are necessary to change an object's motion.

Access more questions from this quiz

Continue to Arizona State University (ASU) PHY101 Introduction to Physics Practice Exam for more practice questions and the full quiz experience.

Access More Questions