1

82 m long

Takes 18 s to complete one swing

tut 3

2

Period of swing

time taken for a complete

swing back and forth

Figure 1: How to measure the period of a pendulum

3

Experiment time!

Get swinging

4

The relationship between period and length of a pendulum

5

Task 2

6

Relationship between T and l

7

8

9

10

Plot a new graph

T2 against l

11

Graph of T2 against l

12

Gradient?

13

14

Energy conversions

Equation 3.1 Book 3 p.12

15

Energy conversions

Equation 5.8 Book 3 p.46

16

Energy conversions

Equation 6.5 Book 3 p.59