Science

Chapter 11 lesson 2

momentum

The combination of the mass and the speed of an object is momentum.EXAMPLE:If you throw a baseball and a tennis ball at the same speed the baseball would have more momentum because the baseball has more mass.

weightlessness

The state of being without detetable weight.EXAMPLE:If a skydiver stood on a scale inside a flying plane the scale would measure the skydivers wieght. If the door opend under the skydiver the scale would be 0.

Newtons 3 laws