EXPERIMENT 11
SIMPLE PENDULUM
Simulation link: https://phet.colorado.edu/sims/html/pendulum-lab/latest/pendulum-lab_en.html.
Objective:
To determine the relationship of period to length, gravity and friction in a simple pendulum.
Procedure:
1. Choose LAB and tick PERIOD TIMER.
2. Study the controls of this simulation package and perform the experiment according to the settings
specified on the data sheet below.
DATA SHEET
EXPERIMENT 11
SIMPLE PENDULUM
Part A: Period – Length Relationship
Settings: Mass: 1 kg Gravity: 9.80 m/s2 Friction: 0 Release Angle: 150
Table 1
Period, T
Length, L (cm) Square of the Period, T2 (s2)
(s)
20 0.90 s 0.81 s2
40 1.27 s 1.61 s2
60 1.56 s 2.43 s2
80 1.80 s 3.24 s2
100 2.00 s 4.00 s2
*put here your solutions for all computations
, *put here your graph for L (y-axis) vs T2 (x-axis)
Part B: Period - Gravity Relationship
Settings: Length: 1 m Mass: 1 kg Friction: 0 Release Angle: 150
Period, T
Gravity, g (m/s2)
(s)
2 4.44 s
4 3.14 s
6 2.56 s
8 2.22 s
10 1.99 s
Table 2
SIMPLE PENDULUM
Simulation link: https://phet.colorado.edu/sims/html/pendulum-lab/latest/pendulum-lab_en.html.
Objective:
To determine the relationship of period to length, gravity and friction in a simple pendulum.
Procedure:
1. Choose LAB and tick PERIOD TIMER.
2. Study the controls of this simulation package and perform the experiment according to the settings
specified on the data sheet below.
DATA SHEET
EXPERIMENT 11
SIMPLE PENDULUM
Part A: Period – Length Relationship
Settings: Mass: 1 kg Gravity: 9.80 m/s2 Friction: 0 Release Angle: 150
Table 1
Period, T
Length, L (cm) Square of the Period, T2 (s2)
(s)
20 0.90 s 0.81 s2
40 1.27 s 1.61 s2
60 1.56 s 2.43 s2
80 1.80 s 3.24 s2
100 2.00 s 4.00 s2
*put here your solutions for all computations
, *put here your graph for L (y-axis) vs T2 (x-axis)
Part B: Period - Gravity Relationship
Settings: Length: 1 m Mass: 1 kg Friction: 0 Release Angle: 150
Period, T
Gravity, g (m/s2)
(s)
2 4.44 s
4 3.14 s
6 2.56 s
8 2.22 s
10 1.99 s
Table 2