Spring Force (Hooke's Law) Video Lessons

Concept

# Problem: Toy makers have always been interested in springs for the entertainment value of the motion they produce. One well-known application is a baby bouncer, (Intro 1 figure) which consists of a harness seat for a toddler, attached to a spring. The entire contraption hooks onto the top of a doorway. The idea is for the baby to hang in the seat with his or her feet just touching the ground so that a good push up will get the baby bouncing, providing potentially hours of entertainment.The following chart depicts an experiment to determine the spring constant for a baby bouncer.What is the spring constant k of the spring being tested for the baby bouncer?Express your answer to two significant figures in newtons per meter.k=______N/m

###### FREE Expert Solution

In this problem, we are required to apply Hooke's and graphical techniques to determine the spring constant.

Hooke's law:

$\overline{){\mathbf{F}}{\mathbf{=}}{\mathbf{k}}{\mathbf{x}}}$

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###### Problem Details

Toy makers have always been interested in springs for the entertainment value of the motion they produce. One well-known application is a baby bouncer, (Intro 1 figure) which consists of a harness seat for a toddler, attached to a spring. The entire contraption hooks onto the top of a doorway. The idea is for the baby to hang in the seat with his or her feet just touching the ground so that a good push up will get the baby bouncing, providing potentially hours of entertainment.

The following chart depicts an experiment to determine the spring constant for a baby bouncer.

What is the spring constant k of the spring being tested for the baby bouncer?