SHM with springs and pendulums - MrHphysics

1 pendulum and 1 spring oscillator have the same period. If both masses are doubled, the new period of the pendulum is ___ the new period of the spring system.

• Less than

• Greater than

• Equal to

• Depends on amplitude

A spring system of mass m and spring constant k is replaced with a spring of constant 2k and a mass of 2m. The new period is __ the original period.

• 1/2

• equal to

• 2 times

• 4 times

Two pendulums are in simple harmonic motion.  Pendulum A is longer than pendulum B.  Pendulum A has a larger mass than B.  The period of pendulum A is

• longer than pendulum B
• shorter than pendulum B
• the same as pendulum B
• not enough information

A pendulum swinging with a maximum amplitude of π/3 has a period of T. If the maximum amplitude is decreased to π/6, what is the new period of the pendulum?

• T/4

• T/2

• T

• 2T

A certain spring-mass system initially has a period of T.  If the mass remains the same, what must happen to the spring in order for the period to become 2T?

• The spring must be double in length.
• The acceleration due to gravity must be doubled.
• The acceleration due to gravity must be halved.
• The spring constant must decrease by a factor of 4.

The restoration force of a spring oscillator is proportional to __

• x

• x^2

• square root of x

• No relation to displacement (x)

The potential energy of a spring oscillator is proportional to __

• x

• x^2

• square root of x

• No relation to displacement (x)

Maximum kinetic energy of an oscillator occurs at ___

• Maximum Displacement from equilibrium

• Equilibrium

• half way between equilibrium and x_max

• Not given

Maximum acceleration of an oscillator occurs at ___

• Maximum Displacement from equilibrium

• Equilibrium

• half way between equilibrium and x_max

• Not given

Maximum speed of an oscillator occurs at ___

• Maximum Displacement from equilibrium

• Equilibrium

• half way between equilibrium and x_max

• Not given