This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An object is falling on Earth close to its surface. Earth exerts a force of W magnitude on the ... (Read 94 times)

tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
on: Jul 29, 2018
An object is falling on Earth close to its surface. Earth exerts a force of W magnitude on the object. The magnitude of the force that the object exerts on Earth is
 
  A) greater than W.
  B) less than W.
  C) equal to W.
  D) zero.
  E) cannot be determined without knowing the relative masses of the object and the earth.

Question 2

Suppose that the gravitational force by Earth on the moon suddenly shut off. How would the moon then move?
 
  A) It would go into a larger circular orbit.
  B) It would move straight ahead in a straight line, at constant speed.
  C) It would move directly outward, away from Earth.
  D) It would slow down and stop.
  E) It would move directly inward, toward Earth.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bulacsom

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

B


tatyanajohnson

  • Member
  • Posts: 569
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

momolu

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

The Spinal Cord, The Spinal Cord and Spinal Nerves; Close-up of the Caudal Region of the Spinal Nerv The Spinal Cord, The Spinal Cord and Spinal Nerves; Close-up of the Caudal Region of the Spinal Nerv
Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut
Valves in veins open to permit blood flow, close to prevent backflow. Valves in veins open to permit blood flow, close to prevent backflow.
The proportion of adults 55 to 64 in the labor force in Germany, Italy, and France is low and has ... The proportion of adults 55 to 64 in the labor force in Germany, Italy, and France is low and has ...
Earth’s Heat Budget Earth’s Heat Budget
Water strider (Gerris remigis) on water surface, showing surface tension. Water strider (Gerris remigis) on water surface, showing surface tension.
Video: B cells and antibodies

For a complete list of videos, visit our video library