Honors Physics Unit 7 Review

What two conditions are required for simple harmonic motion to occur?

• Acceleration is opposite to displacement

• Acceleration is to the direction of displacement

• Acceleration is inversely proportional to displacement

• Acceleration is proportional to displacement

In a simple pendulum, which force brings the mass back to equilibrium?

• Gravitational force

• Elastic force

• Tension

• Friction

What is the period of a simple pendulum with a length of 50.0 cm? (g = 9.81 m s⁻²)

• 0.359 s

• 1.42 s

• 2.48 s

• 2.78 s

The frequency of a body moving with simple harmonic motion is doubled. If the amplitude remains the same which of the following is also doubled?

• The time period.

• The total energy.

• The maximum velocity.

• The maximum acceleration.

A body executes simple harmonic motion. Which one of the graphs, A to D, best shows the relationship between the kinetic energy, E_k, of the body and its distance from the centre of oscillation?

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Which position shows the spring with maximum kinetic energy?

• A
• B
• C
• D

A point on a standing wave that has no displacement from the rest position.

• amplitude

• period

• antinode

• node

The interference that occurs when waves combine to make a wave with a larger amplitude.

• constructive interference

• destructive interference

• wave amplification

• superposition

A wave that moves the medium in a direction perpendicular to the direction in which the wave travels.

• longitudinal wave

• transverse wave

• wave length

• no work done

a wave that oscillates in a fixed location

• standing wave

• sitting wave

• longitudinal wave

• transverse wave