This topic contains a solution. Click here to go to the answer

Author Question: When no forces act on moving objects their paths are normally A) straight lines. B) circles. C) ... (Read 125 times)

s.tung

  • Hero Member
  • *****
  • Posts: 577
When no forces act on moving objects their paths are normally
 
  A) straight lines.
  B) circles.
  C) ellipses.
  D) all of the above

Question 2

The amount of force needed to sustain motion of a rock in outer space is
 
  A) a force equal to its weight.
  B) a force less than its weight if friction is absent.
  C) none of these



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

deja

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C




s.tung

  • Member
  • Posts: 577
Reply 2 on: Jul 29, 2018
Gracias!


kthug

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

For a complete list of videos, visit our video library