Homework Help: Physics

Posted by Sally on Friday, March 1, 2013 at 7:49pm.

1)The Earth exerts an 710 N gravitational force
on a man.
What force does the man exert on the
Earth?
Answer in units of N

2)If a book is sitting on a table, the force of
gravity pulls it down.
Why doesn’t it fall?
Is it because The table is pushing up on it with a force
equal to the weight of the book.

Physics - Dr. Jane, Friday, March 1, 2013 at 7:50pm
For every force there is an equal and opposite force.

I agree with #2 and I bet you can figure out #1 based on the above.
Physics - Sally, Friday, March 1, 2013 at 7:51pm
Thanks
Physics - Dr. Jane, Friday, March 1, 2013 at 7:53pm
You are welcome.

Answer this Question

Related Questions

physics - The Earth exerts an 680 N gravitational force on a man. What force ...
physics - Which of the following correctly describe the gravitational attraction...
physics - Which of the following best describes the strength of the ...
science - A man has a mass of 80.0kg is standing on the surface of the earth.(a)...
physics - In what height the gravitational force with which earth exerts on any ...
physics - In what height the gravitational force with which earth exerts on any ...
Physics - A 70 kg man just before contact with the ground has a speed of 5 m/s ...
Physics - A 70 kg man just before contact with the ground has a speed of 5 m/s ...
Physics - A 70 kg man just before contact with the ground has a speed of 5 m/s ...
Physics - A 70 kg man just before contact with the ground has a speed of 5 m/s ...

For Further Reading

First Name:
School Subject:
Answer: