Mechanical Oscillations Basics

To set in oscillation the mass in the figure is pulled 4 cm in the positive x-direction before release. What is the amplitude of oscillations?

• 0

• 2 cm

• 4 cm

• 8 cm

If the duration for 3 complete cycles is 12.6 sec, what is the period of oscillations?

• 3 s

• 12.6 s

• 4.2 s

• 37.8 s

Which point(s) on the picture correspond(s) to the maximum speed “Vmax” for the block?

• O

• A

• B

• None

Which point(s) on the picture correspond(s) to a zero speed “V = 0” for the block?

• O

• A

• B

• All positions

The magnitude of the block's acceleration will be maximum at

• O

• A

• B

• All positions

The magnitude of the block's acceleration will be zero at

• O

• A

• B

• All positions

The spring constant is K and the block's mass is m. What is the constant of proportionality between acceleration a and position x?

• k/m

• -k/m

• k

• m

The spring constant K = 500 N/m and the block's mass is m = 2 kg. What is the period of oscillations?

• 99.35 s

• 0.397 s

• 0.0632 s

• 15.81 s

The spring constant K = 500 N/m and the block's mass is m = 2 kg. What is the acceleration a = ? where x = 0.02 m?

• 5 m/s²

• -5 m/s²

• 0.04 m/s²

• 1000 m/s²

The graph shows the displacement vs. time for a SHM. What is the amplitude of oscillations?

• 4 m

• 4 s

• -1 m

• 1 m

• 0