Forces and Motion



force_and_motion.gif

We are studying forces and motion.
  1. Demonstrate that a force can cause an object to start moving, stop, or change speed or direction.
  2. Use measurement tools and standard units to compare and contrast the motion of objects such as toy cars, balls, model rockets or planes in terms of change in position, speed and direction.
  3. Design and conduct experiments to determine how the motion of objects is related to the mass of the object and the strength of the force applied.
  4. Describe how friction forces caused by air resistance or interactions between surface materials affect the motion of objects.
  5. Predict the effect of an object's mass on its motion.

While studying Force and Motion, we will be focusing on Newton's Three Laws of Motion.
__Law #1__-An object in motion will stay in motion unless acted upon by an outside force. An object at rest will stay at rest unless acted upon by an outside force.
__Law #2__-Acceleration is produced when a force acts on a mass. The greater the mass of the object being accelerated, the greater the amount of force needed to accelerate the object.
__Law #3__-For every action, there is an equal and opposite reaction.