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.
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.
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:_______