SPH4U - Elastic Potential Energy and Force

A well-known law states "The extension of a spring is proportional to the force causing the extension" is known as:

• Fifield's Law

• Hooke's Law

• Ohm's Law

• Newton’s Law

A bungee cord has a spring constant of 112 N/m. How far will it stretch if a 50.0 kg mass is hung from it?

• 0.229 m

• 0.446 m

• 2.24 m

• 4.38 m

Tags

NGSS.HS-PS2-1

The diagram represents a spring hanging vertically that stretches 0.075 m when a 5.0 N block is attached. The spring-block system is at rest in the position shown. What is the value of the spring constant?

• 38 N/m

• 67 N/m

• 130 N/m

• 650 N/m

Tags

NGSS.HS-PS2-1

Using the F-D graph, What is the spring constant (k)?

• 5 N/m

• 10 N/m

• 20 N/m

• 50 N/m

Calculate the elastic potential energy Leo puts into the trampoline mat when he stretches the mat (k= 73 N/m) by 0.3 m.

• 2.887 J

• 3.29 J

• 10.95 J

• 12.76. J

Tags

NGSS.MS-PS3-2