Can a company force you to work overtime?

Can a company force you to work overtime?: "Also, the law only applies to hourly workers, so anyone who is paid a salary can be asked to work as many hours as needed. Executive, administrative, and managerial positions are usually salaried. As the Seattle Times notes, professional salaried jobs have grown in the past few decades. About 50 million Americans aren't eligible for overtime, so salaried employees are working longer hours without compensation. In many corporate cultures, it's an expected part of the job."