Simple Harmonic Motion

1. Which statement best describes Simple Harmonic Motion?

• An oscillation that increase in amplitude over time.
• An oscillation that gets quicker and quicker.
• The acceleration of the body is directed towards a fixed point
• The acceleration of the body is directed towards a fixed point and is directly proportional to the displacement from that fixed point

2. A particle undergoes simple harmonic motion with angular velocity of 3 rad/s and amplitude of 30 cm. Find its maximum velocity

• 90m/s
• 0.9m/s
• 9m/s
• 10m/s

3. A 2 kg mass is placed on the end of a spring with a constant 250 N/m. What will be the period of oscillation when the spring performs a simple harmonic motion?

• 0.56s
• 0.28s
• 0.089s
• 70.2s

4. What is the correct formula for the period of the simple harmonic motion of a mass, m, on a spring of constant, k?

• A
• B
• C
• D

5. A body makes 6 complete oscillations in 3 seconds. Find the angular velocity. Express your answer in term of π.

• π rad/s
• 2/π rad/s
• 2π rad/s

6.Which of the following is not an example of simple harmonic?

• Rotation of the earth on its axis
• Vibratory motion of the prongs of a tuning fork
• Motion of a test tube suspended in a liquid
• Motion of a mass hung on a spiral spring

7. Find the acceleration of a body performing simple harmonic motion with frequency 5Hz at a distance of 3cm from the centre of motion.

• 29.6m/s2
• 10.5m/s2
• 45m/s2
• 3m/s2

8. Use the diagram below to answer question 8 & 9. At what point is the velocity maximum?

• A
• B
• C
• D

9. At what point is the potential energy maximum?

• A and B
• B and C
• C and D
• A and D

10. The. number of cycles made by a body performing simple harmonic motion in one second is known as_________

• Period
• Amplitude
• Frequency
• Velocity