Posted: November 10th, 2015

physical science

physical science

Motion Lab

Introduction: This week’s lab will be conducted at a place of your choosing.  Your

goal is to demonstrate your knowledge of relative motion, speed, velocity, and the

proper use of metric units.  You will be required to estimate distances,

displacements, and time intervals.  All measurements need to be given in metric

units.  If you feel incapable of conducting this experiment on your own, additional

instruction will be provided at your request.

Procedure: Pick at starting point and an ending point for your motion.  Your motion

may include walking, running, riding a bike, or any other means of transportation.

It can be conducted in any setting.  See content for examples.

Answer all parts of all of the questions.

1.  Describe your initial position and your final position.  Define your reference

point.  What is included in your reference frame?  How do you know that those items

are part of your reference frame?

2. Estimate the distance that you traveled.  If you lay on the floor/ground your

height can be estimated to be 1.5m.  If you are in a car, you can use the odometer

to keep track of how far you went.  For other modes of transportation, use your

best judgment when estimating distance.

3.  Calculate your total displacement. (Final Position minus Initial Position, or

xf-xi)

4.  How much time did it take to complete your motion?

5. Your average speed is the total distance you traveled divided by the time it

took to go from your initial position to your finial position.  What was your

average speed?

6.  Your average velocity is your total displacement divided by the time it took to

go from your initial position to your finial position.  What was your average

velocity?

Displacement

Time=10s

7.  Using the Paint application on your computer (start menu, all programs,

accessories, Paint), draw your motion labeling your initial position, your final

position, and your displacement.  Make a box in the upper left corner of the

picture with your total time for the motion.  Since the example shows zero

displacement, you are required to show an example where there is a positive

displacement.  Ex:

Average Speed====1m/s

Average Velocity====0m/s North

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