The 600-N Ball Shown Is Suspended on a String AB

question 57

Multiple Choice

The 600-N ball shown is suspended on a string AB and rests against the frictionless vertical wall.The string makes an angle of 30 ° with the wall.The line AB goes through the center of the ball, and the contact point with the wall is at the same vertical height as the center of the ball.The ball presses against the wall with a force of magnitude:

• A)300 N
• B)350 N
• C)520 N
• D)600 N
• E)690 N

---

Definitions:

Pure Monopoly

A market structure characterized by a single seller selling a unique product in the market, resulting in significant control over pricing and market supply.

Monopolistic Competition

A market structure where many companies sell products that are similar but not identical, allowing them some power to set prices.

Oligopoly

A distinct form of market where only a few companies have significant influence over industry prices and competition.

Herfindahl Index

A measure of market concentration used to determine the competitive landscape by summing the squares of the market shares of all firms in the industry.