Chapter 11 Lesson 2

Science

Balanced and Unbalanced Forces

Say you we in a tug of war and it is an exact tie. What kind of force is that? If you answered balanced force you are correct. Now if we in a tug of war and you want to win and I am exerting 50 lbs of force how much weight will you have yo have to exert? If you said anymore than 50 lbs you are right. So what kind of force is that? It is unbalanced.
Big image

Newton's Laws of Motion

Velocity

The velocity is the speed and direction on an object

Law of Conservation of Momentum

The total momentum does not change when two objects collide.
Big image