Pendulum Lab PhET

In the simulation, set the length of the pendulum to different values and observe its motion. What happens to the period of the pendulum as the length of the string increases?

• A) The period decreases.

• B) The period increases.

• C) The period stays the same.

• D) The pendulum stops moving.

Experiment with changing the mass of the pendulum bob while keeping the length the same. What happens to the period of the pendulum when the mass of the bob is increased?

• A) The period decreases.

• B) The period increases.

• C) The period stays the same.

• D) The pendulum stops moving.

Change the length of the pendulum and observe the relationship between length and period. What is the relationship between the length of the pendulum and the period of the swing?

• A) The period is proportional to the square root of the length.

• B) The period is proportional to the length.

• C) The period is inversely proportional to the length.

• D) The period is unrelated to the length.

Set the pendulum to a specific length and release it from a fixed height. Observe how the period changes over time. What happens to the period of the pendulum as it continues to swing?

• A) The period gets shorter.

• B) The period gets longer.

• C) The period stays constant.

• D) The period is unpredictable.

In the simulation, adjust the gravitational acceleration (g) and observe the effect on the pendulum's motion. What happens to the period of the pendulum if the value of gravitational acceleration (g) is increased?

• A) The period increases.

• B) The period decreases.

• C) The period remains the same.

• D) The pendulum stops swinging.

Tags

NGSS.MS-PS2-4

Adjust the initial angle (amplitude) and observe the relationship between amplitude and period. What happens to the period of the pendulum when the amplitude is very large?

• A) The period increases significantly.

• B) The period decreases.

• C) The period remains constant.

• D) The pendulum swings at a constant speed.

Tags

NGSS.MS-PS4-1

In the simulation, vary the pendulum length and measure the time it takes for one complete swing (period). Which of the following changes will increase the period of the pendulum?

• A) Increasing the mass of the pendulum bob.

• B) Decreasing the length of the string.

• C) Decreasing the gravitational acceleration.

• D) Increasing the amplitude of the swing.

Observe the behavior of the pendulum when you change both the length and mass. Which of the following factors does NOT affect the period of the pendulum?

• A) The length of the string.

• B) The mass of the bob.

• C) Both affect the period.

What factors affect the period of a pendulum in the simulation?

Explain how increasing the length of the pendulum affects its swing and period.