3 pieces of paper
Pen or pencil
Procedure:
Sheet vs. Sheet
1. Take 2 of the pieces of paper, label them #1 and #2 as large as you want (you won't be writing anything else on them).
2. Hold paper #1 in one hand and #2 in the other arms out in front of you at about eye level. Making sure that they are the same distance from the ground, drop the two papers at the same time. Repeat 2 more times
Answer the following questions on a seperate piece of paper (or print this document):
Which sheet hit first, #1 or #2?
Was there any lateral motion (motion besides straight down)?
If repeated, would you be able to predict which paper would hit first?
Sheet vs. Ball
1. Crumple sheet #2 into a tight paper ball.
2. Repeat "Sheet vs. Sheet" step 2.
Which hit first, the ball or the sheet?
Was there any lateral motion (motion besides straight down)?
If repeated, would you be able to predict which paper would hit first?
Sheet Throw
1. Hold sheet #1 in your throwing hand.
2. Aim at a target about 10ft away.
3. Throw the sheet at your target.
Were you able to hit your target, why or why not?
Describe the motion of the paper, how did it compare with the drop?
Ball Throw
1. Repeat "Sheet Throw" steps 1-3 with the paper ball.
Were you able to hit your target, why or why not?
Describe the motion of the paper, how did it compare with the drop?
Which weighs more, the sheet or the ball?
Ball vs. Pencil/Pen
1. Repeat "Sheet vs. Sheet" step 2 with paper ball and a pencil or pen.
Which hit the ground first, the pencil/pen or the paper ball?
Was there any lateral motion?
Which weighs more?
Conclusion:
Why did it take longer for the sheet of paper to hit than the ball?
Why is it hard to hit your target with the sheet of paper?
Did you expect the pencil/pen to hit before the paper ball? Were you correct?
What assumptions about gravity can you make after completing this lab?
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