Grade 11 · Science · Physics

11th grade Springs and pendulums worksheet

6 printable versionsBuilding Confidence10 questions · answer keyFree · no account

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Springs and pendulums

Grade 11 Science Worksheet - Building Confidence

NameDate

Circle the best answer, or write your answer on the line.

A spring with a spring constant of 50 N/m is stretched 12 cm. How much force does it pull back with, Bo?
A spring with a spring constant of 400 N/m is stretched 3 cm. How much force does it pull back with, Esme?
3.
In the wave diagram, what is the bob's amplitude, Jun?
- 2 cm
- 10 cm
- 20 cm, from top to bottom
4.
In the wave diagram, where is the bob moving fastest, Luz?
Use the picture in question 3.
- It moves at one steady speed
- At the peaks, 10 cm out
- Where the trace crosses 0 cm
5.
A spring stretches 4 cm under a 2 N pull. How far does it stretch under a 4 N pull, Milo?
- 6 cm
- 16 cm
- 8 cm
6.
Spring A has k = 100 N/m and spring B has k = 400 N/m. Which is stiffer, Noah?
- They are equally stiff
- Spring A
- Spring B
7.
A spring is squeezed instead of stretched. Which way does its force point, Pia?
- Outward, pushing back against the squeeze
- Inward, adding to the squeeze
- It has no force when squeezed
8.
Two pendulums have equal strings, but one bob is twice as heavy. How do their periods compare, Ren?
- They are the same
- The heavier one swings slower
- The lighter one swings slower
9.
Which change makes a pendulum swing more slowly, Tala?
- A shorter string
- A longer string
- A heavier bob
10.
A bigger mass is hung on the same spring. What happens to its bounce, Zee?
- It bounces faster
- Nothing changes
- It bounces more slowly

Springs and pendulums. Every version has 10 questions, and the answer key prints on the second page.

I can use Hooke's law, F = kx (x in meters), and read k as the slope of a force-extension graph.
I can find a pendulum's period, T = 2π√(L ÷ g) with g = 9.8 m/s², and a spring-mass period, T = 2π√(m ÷ k).
I can read a displacement-time trace for amplitude, period and fastest points. I can track potential and kinetic energy in the swing, and predict both timers on the Moon.

Standard: none (TX)

spring constant (k): How stiff a spring is, in newtons per meter

period (T): The time for one full swing or bounce

amplitude: The biggest distance from the middle position

pendulum bob: The weight at the end of a pendulum's string

small swing: A swing of a few degrees, where the period formula holds

Your child used centimeters. The spring constant is in N/m, so change centimeters to meters first.

Your child left out the square root. A pendulum's period is 2π√(L ÷ g).

Your child put k on top. A spring's period is 2π√(m ÷ k): more mass, slower bounce.

What is the most common mistake with springs and pendulums?

Your child used centimeters. The spring constant is in N/m, so change centimeters to meters first.

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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