7.1 & 7.2 SHM

What are the two requirements for a simple harmonic oscillator?

• The object vibrates about the equilibrium point and the restoring force is proportional to the displacement

• The object moves left to right and the restoring force is proportional to the displacement

• The object vibrates about the equilibrium and the restoring force is greater than the displacement

• The object moves left to right and the restoring force is greater than the displacement

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

The graph shows the variation with time of the displacement of an object undergoing simple harmonic motion. At which of the following time values is kinetic energy zero?

• 0 ms

• 40 ms

• 80 ms

• 100 ms

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

When does the mass move at maximum velocity in a mass-spring system?

• At equilibrium

• At the farthest point from the equilibrium

• At +x_max

• At -x_max

When does the mass move at 0 velocity in a mass-spring system?

• At equilibrium

• At the farthest point from the equilibrium

• At its +x_max

• At its -x_max

A particle oscillates with undamped(no energy loss) simple harmonic motion. Which one of the following statements about the acceleration of the oscillating particle is true?

• It is least when the velocity is greatest.

• It is always in the opposite direction to its velocity.

• It is proportional to the frequency.

• It decreases as the potential energy increases.

Which one of the following statements is true when an object performs simple harmonic motion about a central point O?

• The acceleration is always away from O

• The acceleration and velocity are always in opposite directions.

• The acceleration and the displacement from O are always in the same direction.

• The graph of acceleration against displacement is a straight line.