Force & Momentum

20 points

1.    Compare and contrast inertia and momentum.    (2 points)

2.    Compare and contrast momentum and force.   (2 points)

3.    Compare and contrast mass and weight.    (2 points)

4.    How does your mass change on the moon?    (1 point)

5.    How does your weight change on the moon?    (1 point)

6.   Make a drawing of a person throwing a baseball.  Add arrows to show the directions of the following forces: (3 points)

Air resistance    Gravity    Momentum of the baseball

7.    Make a drawing of a parachute coming down to earth.  Add arrows to show the directions of the following forces: (3 points)

Air resistance    Gravity    Momentum of the parachute

8.   Explain what would happen to you if you tried to use a parachute on the moon.  How would the parachute work, and would you hit the moon faster or slower than you would hit the earth, using the same parachute.  (2 points)

9.  Make a drawing of a person firing a shotgun.  Add arrows to show the directions of the forces explained by Newton's 3rd Law.  (2 points)

10.  From the Traffic Safety web site from the internet lesson.

      Explain why airbags are safer than seatbelts.  (1 point)