COMPREHENSIVE REVIEW FOR MIDDLE SCHOOL MATHEMATICS 2013.
Consider a ball at rest in the middle of a wagon. When the wagon is pulled forward the ball begins to roll against the back of the wagon. Interpret this.
1.Objects do not change motion without unbalanced force. 2.Objects in motion do not always require a force to keep them moving. 3.Objects have two “natural”
What happens to your weight when your mass increases?
