Spring

A spring with spring constant 16 N/m is compressed by 0.5 m. How much energy is stored in the spring?

• 1 J

• 0.25 J

• 2 J

• 16 J

Tags

NGSS.MS-PS3-2

The equation for spring force is

• F_sp = mgh

• F_sp = 1/2kx²

• F_sp = Fd

• F_sp = -kx

What equation is used to calculate elastic potential energy?

• E_{p = m g h}

• E_{p = 1/2 k x}²

• E_{p = F / E d}

Tags

NGSS.MS-PS3-2

The spring constant of an object tells you?

• What type of spring you are dealing with

• How long the spring will stretch or compress

• It gives you a value on how easy or hard it is to change the objects length.

• A spring constant gives you a number which tells you what material the spring is made of.

A mass attached to a spring vibrates back and forth. At the equilibrium position, the

• acceleration reaches a maximum.

• velocity reaches a maximum.

• net force reaches a maximum.

• velocity reaches zero.

A mass-spring system can oscillate with simple harmonic motion because a compressed or stretched spring has which kind of energy?

• kinetic

• mechanical

• gravitational potential

• elastic potential

Which of the following is a true statement regarding springs?

• The higher the value of the spring constant, the stiffer the spring.  

• In Hooke's law, the force exerted by the spring acts in the same direction as displacement.  

• Springs are designed to provide unpredictable variations in force.  

• The force exerted by a spring has a quadratic relationship with the displacement form equilibrium.  

Which position shows the spring with maximum elastic potential energy?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-2

WHEN AN ARCHER BENDS A BOW, WHAT TYPE OF ENERGY INCREASES IN THE BOW?

• GRAVITATIONAL

• ELASTIC

• KINETIC

• THERMAL

Elastic potential energy is energy in an object that is compressed or __________.

• at rest

• stretched

• in equilibrium

Tags

NGSS.MS-PS3-2