Author Question: When the sum of the external forces and the sum of the external torques on a body are both zero, we ... (Read 83 times)

aabwk4

  • Hero Member
  • *****
  • Posts: 593
When the sum of the external forces and the sum of the external torques on a body are both zero, we can conclude that
 a. the body is moving at constant velocity but is not rotating.
  b. the body is rotating at constant angular velocity but has no linear velocity.
  c. the body has neither linear nor angular velocity.
  d. the body may have constant linear or angular velocity, but not both simultaneously.
  e. the body may have constant linear or constant angular velocity, or both simultaneously.

Question 2

Nearsighted people wear glasses with
  lenses that are designed to
  a) make the image larger.
  b) improve the focus of the image.
  c) make the image smaller.
  d) make the image brighter.



akemokai

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

e

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

For a complete list of videos, visit our video library