Quiz Review Pendulum and Springs

A spring has a spring constant of 5 N/cm.  What is its extension when loaded with 15 N?

• 0.33 cm

• 5 cm

• 75 cm

• 3 cm

A spring extends 1.5 m under a load of 10 N. What is its spring constant?

• 0.15 N/m

• 8.5 N/m

• 6.7 N/m

• 15 N/m

What Quantity can you calculate from the graph and give the magnitude of that quantity.  

• Work 4 J

• Displacement 30 m

• spring constant 20 N/m

• Velocity 2.6 m/s

Objects with different masses are hung on a spring. The diagram shows how much the spring stretches. What is mass M?

• 175 g

• 150 g

• 200 g

• 166 g

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

As a pendulum gets longer, what happens to the period?

• doesn't change

• decreases

• increases

Which of these does not affect the period of a pendulum?

• length

• gravity

• mass

The period of an ocean wave is 10 s. What is its frequency?

• 10 cycle/second

• 1 cycle/second

• 0.5 cycle/second

• 0.1 cycle/second

Tags

NGSS.HS-PS4-1

What is the period on Earth of a pendulum with a length of 2.4 m?

• 3.1 s

• 1.5 s

• 0.77 s

• 1.2 sec

A butcher puts 300 g of chopped beef in the 1 kg pan and places it on top of his scale. The scale has a spring constant of 400 N/m. What is the period of vibration of the scale?

• 0.36 s

• 0.02 s

• 5.5 s

• 1.3 s

A simple harmonic oscillator takes 4.8 s to undergo five complete vibrations. What is the frequency? 

• 1 Hz

• 0.96 Hz

• 1 s

• 0.96 s

Tags

NGSS.HS-PS4-1