Grade 11 · Science · Physics

11th grade Free fall worksheet

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Free fall

Grade 11 Science Worksheet

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A ball is dropped from rest from a hovering drone. Using d = ½gt² with g = 9.8 m/s², how far does it fall in 0.8 s, Ari?
A ball is dropped from rest from a hovering drone. Using d = ½gt² with g = 9.8 m/s², how far does it fall in 1.2 s, Bo?
A ball is dropped from rest from a hovering drone. Using d = ½gt² with g = 9.8 m/s², how far does it fall in 2.5 s, Esme?
Read this first
Ball dropped from a hovering drone (computed values)
time (s) speed (m/s) distance fallen (m)
0 0 0
1 9.8 4.9
2 19.6 19.6
3 29.4 44.1
4.
In the drop table, when the time doubles from 1 s to 2 s, what happens to the distance fallen, Kira?
- It becomes four times as far
- It doubles
- It grows by 4.9 m
- It stays the same
5.
Using the drop table's pattern, how far would the ball fall in 4 s, Luz?
- 39.2 m
- 78.4 m
- 49 m
- 58.8 m
6.
A spring toy launches a ball straight up at 19.6 m/s. How long until it reaches the top, Milo?
- 4 s
- 19.6 s
- 0.5 s
- 2 s
7.
A spring toy launches a ball straight up at 19.6 m/s. How high does it rise, Noah?
- 19.6 m
- 39.2 m
- 9.8 m
- 2 m
8.
Up is positive. The same ball falls back to its launch height. What is its velocity then, Pia?
- 0 m/s
- −19.6 m/s
- +19.6 m/s
- −9.8 m/s
9.
A flat sheet of paper floats down while the same sheet, crumpled, drops fast. Why, Ren?
- Crumpling makes the paper heavier
- Air slows the flat sheet much more
- Flat paper has no weight
- The crumpled ball has a bigger g
10.
A coin and a feather are dropped together inside a tube with the air pumped out. Which lands first, Tala?
- The feather
- The coin, since it is heavier
- They land together
- Neither falls without air

time (s)	speed (m/s)	distance fallen (m)
0	0	0
1	9.8	4.9
2	19.6	19.6
3	29.4	44.1

11th grade Free fall worksheet – printable — Print: 1 2 3 4 5 6

About this worksheet

Free fall. Every version has 10 questions, and the answer key prints on the second page.

What your child will learn

I can use g = 9.8 m/s² for a dropped ball with no air: v = gt, d = ½gt², t = √(2h ÷ g) and v² = 2gd.
I can read a drop's velocity-time graph (slope g, area = distance) and its curving position-time graph (tangent slope = speed).
I can describe a launched ball: it slows going up, has a = 9.8 m/s² down at the top, and returns at its launch speed.
I can explain air resistance against mass. A feather and a hammer fell together on the airless Moon (Apollo 15), and a flat sheet floats only because of air.

Standard: supports HS-PS2-1

Words to know

free fall: Moving under gravity alone, with no air resistance

g: Free-fall acceleration near Earth: about 9.8 m/s², downward

air resistance: The push of air against a moving object

vacuum: A space with the air pumped out

tangent: A line touching a curve at one point; its slope is the speed

Common mistakes

Your child used 4.9 instead of 9.8. The speed grows by the full 9.8 m/s each second; the ½ belongs only in the distance formula.

Your child forgot to square the time. Distance fallen is ½gt²: double the time gives four times the distance.

Your child used gt² instead of ½gt². The ½ comes from the triangle under the velocity-time line.

Questions parents ask

What is the most common mistake with free fall?

Your child used 4.9 instead of 9.8. The speed grows by the full 9.8 m/s each second; the ½ belongs only in the distance formula.

Are these 11th grade science worksheets free to print?

Yes. All 6 printable versions at each level are free to print, with the answer key, and no account is needed.

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