Homework Help: maths

Posted by rahul patel on Monday, November 21, 2011 at 9:01pm.

newton’s law of gravitation states that any two bodies attract each other with a force that is inversely proportional to the square of the distance between them. The force of attraction between two bodies is 460 * 10^-12 newtons when they are 6 cm apart. What is the force on the bodies when they are 23 cm apart?

maths - Steve, Tuesday, November 22, 2011 at 5:43am
Since the force is k/r^2

Then if r is multiplied by a factor of a, the new force is

k/(ar)^2 = k/r^2 / a^2

So, you have multiplied the distance r by a factor of 23/6. Consequently, the force is reduced by a factor of (23/6)^2.

Answer this Question

Related Questions

Physics - Newton's Law of universal gravitation - Describe how Newton used ...
Physics - According to the law of universal gravitation, there is force of ...
Algebra II - The force of attraction between the earth and some object is called...
Algebra II - The force of attraction between the earth and some object is called...
Calc - Newton's Law of Gravitation says that the magnitude F of the force ...
Inverse Variation - Help me please.. Explain also :( 1. E is inversely ...
Physics - When we say that the weight of an object is Mg, and that g = 9.8 N/kg...
Physics - When we say that the weight of an object is Mg, and that g = 9.8 N/kg...
physics - If two different masses have the same kinetic energy, their momenta ...
Physics HELLLPPPP - When we say that the weight of an object is Mg, and that g...

For Further Reading

First Name:
School Subject:
Answer: