AQA A Level Physics Periodic motion MCs

A particle performs simple harmonic motion with a time period of 1.4 s and an amplitude of 12 mm.

What is the maximum speed of the particle?

• 8.6 mm s⁻¹

• 27 mm s⁻¹

• 54 mm s⁻¹

• 110 mm s⁻¹

• A

• B

• C

• D

A particle of mass m is oscillating with simple harmonic motion.

The period of the oscillation is T and the amplitude is A.

What is the maximum kinetic energy of the particle?

• A

• B

• C

• D

A mass of 0.90 kg is suspended from the lower end of a light spring of stiffness 80 N m⁻¹. When the mass is displaced vertically and released, it undergoes vertical oscillations of small amplitude.

What is the frequency of the oscillations?

• 0.071 Hz

• 0.67 Hz

• 1.50 Hz

• 14 Hz

The period of a simple pendulum is doubled when the pendulum length is increased by 1.8 m.

What is the original length of the pendulum?

• 0.45 m

• 0.60 m

• 0.90 m

• 3.6 m

An object of mass m moves in a circle of radius r. It completes n revolutions every second.

What is the kinetic energy of the object?

• A

• B

• C

• D

Two pendulums A and B oscillate with simple harmonic motion.

The time period of A is 2.00 s and the time period of B is 1.98 s.

A and B are released in phase.

What is the number of oscillations of A before A and B are next in phase?

• 49

• 50

• 99

• 100

The frequency of oscillation of a vertical spring is f when the mass hanging from the spring is m.

What is the relationship between f and m?

• f ∝ m^–½

• f ∝ m^–2

• f ∝ m^½

• f ∝ m²

A metal panel is driven to vibrate at different frequencies. The amplitude a of the vibration is measured at each frequency. The graph shows the variation of amplitude with driven frequency.

The damping of the metal panel is increased without changing the mass of the panel.

Which graph shows the variation of a with frequency with increased damping?

• 
• 
• 
• 

A body performs simple harmonic motion.

What is the phase difference between the variation of displacement with time and the variation of acceleration with time for the body?

• 0