SHM Retake Part 1

A force of  30 N stretches a very light ideal spring 0.73 m from equilibrium. What is the force constant (spring constant) of the spring?

• 41 N/m
• 22 N/m
• 34 N/m
• 46 N/m

From the graph ,the spring constant is.

• 4.5 m

• 15 N

• 20 N/m

• 200 N/m

What is the equation for frequency?

• f = t/n
• f = 1/T
• f = 2 T

Tags

NGSS.HS-PS4-1

Based on your findings, which equation could best describe the pendulum’s period?

• A

• B

• C

• D

A 550 kg mass is in simple harmonic motion on a spring, solve for the displacement if the spring constant value for the spring is 98100 N/m and the restoring force is -981 N.  

• 100 m
• .01 m
• 9.62 x 10^{8 m}

What is the frequency of a pendulum that has a period of 10 s?

• 10 Hz
• 1/1000 Hz
• .1 Hz

Tags

NGSS.HS-PS4-1

The period of a pendulum may be decreased by

• Increasing the mass of the bob
• moving the equilibrium point
• decreasing the mass of the bob
• shortening the length of pendulum

Which of the following is not an example of approximate simple harmonic motion?

• a ball bouncing on the floor
• a child swinging on a swing
• a piano wire that has been struck
• a car's radio antenna waving back and forth

A pendulum takes 20 seconds to complete one cycle. What is its period?

• 1/20 sec
• 10 sec
• 20 sec
• 5 sec

How long does your pendulum need to be to get a period of 1 second?

• 0.1 meter

• 0.2 meters

• 0.25 meters

• 0.5 meters