SIMPLE HARMONIC MOTION (SHM)

The variation of the acceleration, a of a particle executing SHM with displacement, x is as shown in figure:

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NGSS.HS-PS2-1

When is a pendulum in simple harmonic motion?

• Never

• All the time

• only at large angles

• only at small angles

When is the pendulum at maximum velocity

• At its lowest point

• At its highest point

• It moves at a constant velocity

• It is at rest

What is the definition of SHM?

• periodic motion without loss of energy in which the acceleration of a body is directly proportional to its displacement and is directed towards the equilibrium position but in opposite direction of the displacement.

• periodic motion without loss of energy in which the acceleration is directly proportional to its velocity and is directed towards the equilibrium position but in opposite direction of the velocity.

• periodic motion without loss of energy in which the acceleration of a body is inversely proportional to its displacement

• periodic motion without loss of energy in which the angular frequency is directly proportional to its displacement and is directed towards the equilibrium position but in opposite direction of the displacement.

Position at which the body would come to rest if it were to lose all of its energy refers to

• equilibrium position

• maximum displacement / amplitude

• periodic position

• good position

The number of cycles or oscillation made in one second is defined as

• time taken

• period

• frequency

• amplitude

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NGSS.HS-PS4-1

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

• amplitude
• period
• frequency
• revolution

Which of the following is NOT a condition of SHM ?

• The motion is linear

• the acceleration is proportional to displacement

• the restoring force is opposite to displacement

• the velocity is opposite to displacement

In SHM, where does maximum acceleration take place ?

• At the equilibrium point

• there is no maximum acceleration

• at maximum displacement

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NGSS.HS-PS2-1

In SHM, where does maximum velocity take place ?

• At maximum displacement

• at the equilibrium position

• there is no maximum velocity

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NGSS.HS-PS3-2