Multiple choice

When are objects in motion?

  1. If it changes position relative to a moving object

  2. If it changes position relative to a reference point

  3. If the object has energy

  4. Speed=Distance over time

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Motion is defined as a change in position relative to a fixed reference point. If an object's position does not change relative to that point, it is considered at rest.