What are the two factors that affect the period of a pendulum?
A. tension on string and acceleration due to gravity
B. length of string and acceleration due to gravity
C. acceleration due to gravity and friction
D. tension on string and mass of bob
E. length of string and mass of bob

Question

What are the two factors that affect the period of a pendulum?
A. tension on string and acceleration due to gravity
B. length of string and acceleration due to gravity
C. acceleration due to gravity and friction
D. tension on string and mass of bob
E. length of string and mass of bob

anonymous · Answer

let's model a pendulum's position using $\theta$:

|dw:1431531807487:dw|

anonymous · Answer

|dw:1431532343894:dw|