Intro to Simple Harmonic Motion (Horizontal Springs) Video Lessons

Concept

# Problem: 1. If a force of 20 N stretches a spring 0.5 m, what is the spring constant? a. 10 N/mb. 20 N/mc. 60 N/md. 40 N/m2. A wave has an amplitude of 58 cm. It has a period of 0.43 seconds. What is the angular velocity (w)?a. 2.70 rad/sb. 3.97 rad/sc. 14.612 rad/sd. 58.0 rad/s

###### FREE Expert Solution

1,

In this problem, we use the equation:

$\overline{){\mathbf{F}}{\mathbf{=}}{\mathbf{k}}{\mathbf{x}}}$, where F is force, k is spring constant, and x is the change in spring length.

Solving for k:

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###### Problem Details

1. If a force of 20 N stretches a spring 0.5 m, what is the spring constant?

a. 10 N/m

b. 20 N/m

c. 60 N/m

d. 40 N/m

2. A wave has an amplitude of 58 cm. It has a period of 0.43 seconds. What is the angular velocity (w)?