Physics TEKS P.8.A,B,C

If F is force, k is spring constant and x is extension, Hooke's Law tells us that:

• F=k/x
• x=Fk
• k=Fx
• F=kx

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

• 0.15N/m
• 10N/m
• 6.7N/m
• 15N/m

A 5-newton force causes a spring to stretch 0.2 meter. What is the potential energy stored in the stretched spring?

• 1 J
• 0.5 J
• 0.2 J
• 0.1 J

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-1

5,000 g = ____________ kg

• 2
• 50,000
• 5
• 10

What force should be applied to compress a spring by 0.013 m if its spring constant is k = 1900 N/m?

• 1880 N
• 24.7 N
• 1900 N
• 0.127 N

What type of energy does a sound wave have?

• Mechanical

• Radiant

• Electrical

• Sound

Tags

NGSS.MS-PS4-1

True or False: Sound needs a medium.

• True

• False

True or False: Sound waves are faster than light.

• False

• True

Areas of increased pressure on a sound wave are known as a ----

• Rarefaction

• Compression

• Frequency

• Amplitude

Tags

NGSS.HS-PS4-1

The distance from the beginning of one compression to the beginning of the next compression is called a -----

• Rarefaction

• Frequency

• Wavelength

• Compression

Tags

NGSS.HS-PS4-1