Question

A mass of 0.2kg is attached to the lower end of a massless spring of force-constant 200 N/m, the upper end of which is fixed to a rigid support. Which of the following statements is/are true?

• A. In equilibrium, the spring will be stretched by 1cm.
• B. The frequency of oscillation will be nearly 5 Hz
• C. If the mass is raised till the spring is unstretched state and then released, it will go down by 2cm
  before moving upwards.
• D. If the system is taken to the moon, the frequency of oscillation will be the same as on the earth.

Answer 1

Answer: (A), (B), (C), (D)