6.2 - Simple Harmonic Motion

Question 1

When is an oscillation considered SMH?

Answer 1

• The acceleration is proportional to the displacement.
• The acceleration is in the opposite direction to the displacement.

Question 2

What are 4 examples of SMH?

Answer 2

• The pendulum of a clock
• A mass on a string
• Guitar strings
• The electrons in alternating current flowing through a wire

Question 3

How are acceleration and displacement related in SHM?

Answer 3

Proportional but in the opposite direction.
a ∝ −x

Question 4

What is angular velocity also known as?

Answer 4

Angular frequency.