Internet Lesson - Motion and Force

20 points

Name:_______________________________            Date:____________        Period:_________

Click on the "Course of Study" link.  Select "Motion and Force"

Visit each site listed under "Intro Web Lessons", and follow instructions on this sheet. Use additional paper as needed.

Be sure to print out your review questions for Motion and for Force.

1.         Summarize the following often-misunderstood words.  Use a separate sheet of notebook paper for items 1,2,3,6 & 7.  Attach to this sheet for full credit.

                    Inertia        Newton's 1st & 2nd Laws        Newton's 3rd Law       Rate         Reaction

            Read the entire Weight entry.

2.        Define the following words in your notes:  weight, inertia, mass and Newtons.

3.         Rewrite Newton's 3rd Law as suggested by the Science Misconceptions Site.  Put this in your notebook paper.

4.         Learn a little about projectile motion by shooting the cannon.  Click "Refresh" to get rid of tracer lines.

             Change just the angle until you hit the target.  What angle works? ____________________________

             Reset angle to 60.  Change just the velocity until you hit the target.  What velocity works? ________

             Set velocity to 85.  Change just the angle until you hit the target.  What angle works? ________

             In the area below, draw an example of the path of the projectile from the cannon.

 

 

 

 

5.         Run the roller coaster applet.

Can the coaster make it to the end of the ride with the default settings?

                What will you change to fix your problem?

                What happens if you set the first hill to the maximum height and the second hill to the minimum height?

                ______________________________________________________________________________________

                Get yourself a working coaster run, then try increasing the friction.  What happens? ________________

                ______________________________________________________________________________________

6.             Click go and watch the boat cross the river. In your notebook, draw a picture of the boat.  Insert arrows showing the direction of the boat's motion, the direction of the river's motion, and the direction the boat goes in.  Then complete the table below.  Use the mouse to move the boat around.

Complete the table below by finding the boat direction needed to make the boat go straight across the river.

Water Speed Boat Speed Boat Direction
5 5  
2 5  
6 11  
4 14  

7.        Newton's 1st Law:_______________________________________________________________________

            ______________________________________________________________________________________

            In your notebook, draw the pictures explaining centripetal force and what happens when you spin a ball on a string and the string breaks.

            Go to Newton's 3rd Law and do the truck collision to answer these questions. (click on the picture of the collision)

            Which truck experiences the greatest force?__________________________________________________

             Which truck experiences the greatest momentum?_____________________________________________

            Which truck experiences the greatest acceleration?____________________________________________

            Which truck is more dangerous and why?____________________________________________________

             Click on the Relation of fatalities to vehicle mass link.  Read about seatbelts and air bags.

            What is the effectiveness of seatbelts in saving the life of the driver of the car?_______________________

            What vehicle ALWAYS wins in a crash?______________________________________________________  

            Be sure to get the answer to the last question of the Force Review Questions.

8.          Take the quiz on Newton's Laws.  Write your best score here:_______