1 of 13

NXT-G – Data Collection and Analysis�Pendulum Motion

2 of 13

Data Logging

  • Pendulum Data Logging Program

2

3 of 13

Application

  • Measuring period of a pendulum common exercise for students

​

  • Period = 2π √(L/g)

​

84 ½ inches

12 ½ inches

4 of 13

Pendulum Data

84 ½ inches

Ultrasonic sensor

5 of 13

Pendulum Data

84 ½ inches

Ultrasonic sensor

6 of 13

Pendulum Data

84 ½ inches

Light sensor

7 of 13

Pendulum Data

84 ½ inches

Light sensor

8 of 13

Pendulum Data

84 ½ inches

Acceleration sensor

9 of 13

Pendulum Data

84 ½ inches

Acceleration sensor

10 of 13

Pendulum Relationships

11 of 13

Pendulum Relationships

Maximum Negative Acceleration

Maximum Light

Minimum Ultrasonic Range

12 of 13

Math Excursion

  • Pendulum Program

12

Lower the sample

Frequency to

Something near the

Pendulum period.

13 of 13

NXT-G – Data Collection and Analysis�Pendulum Motion