TOPIC 1 SHM

Which of the following statements is true about the magnitude of the acceleration for an object undergoing simple harmonic motion?

• Directly proportional to velocity

  
  

• Inversely proportional to velocity

• Directly proportional to displacement

• Inversely proportional to displacement

A mass on a spring undergoes SHM. When the mass is at its maximum displacement from equilibrium, its instantaneous velocity

• is maximum.

• is less than maximum, but not zero.

• is zero.
  

• cannot be determined from the information given.

  
  

Which of the following statements is TRUE regarding a simple harmonic motion?

• frequency increases with time

• acceleration does not change with time

  
  

• speed is maximum at the equilibrium position

  
  

• amplitude of the oscillation varies sinusoidal with time

A body is performing simple harmonic motion. Which quantity remains constant throughout the motion?

• acceleration

• speed 

  
  

• angular velocity

• velocity

  
  

the acceleration of an object undergoes simple harmonic motion is zero at

• • -A

• maximum displacement

• equilibrium position

• Amplitude

What is the equation for frequency?

• f = hf

• f = 1/T

• f = 1/n

• f = mN

For a system in simple harmonic motion, which of the following is the time required to complete a cycle of motion?

• spring constant

• mass

• period

• time

For a system in simple harmonic motion, which of the following is the number of cycles or vibrations per unit of time?

• frequency

• time constant

• time

• period

The period of a pendulum may be decreased by

• Increasing the mass of the bob

• moving the equilibrium point

• decreasing the mass of the bob

• shortening the length of pendulum

In any system in SHM, the restoring force acting on the mass in the system is proportional to

• the displacement

• the length of the pendulum

• the mass

• the frequency