# Forces

• Mar 11th 2009, 02:36 PM
jsu03
Forces
Can someone help me with these two problems? Thanks a lot!!

What is the gravitational force exerted on a metal cube of mass 150 grams?
• Mar 11th 2009, 03:40 PM
skeeter
Quote:

Originally Posted by jsu03
Can someone help me with these two problems? Thanks a lot!!

What is the gravitational force exerted on a metal cube of mass 150 grams?

two problems?

I assume the cube is on the earth's surface ...

$F = mg = (.150 \, kg)\left(9.8 \, \frac{m}{s^2}\right)$

unit of force is the "Newton" ... $1 \, N = 1 \, \frac{kg \cdot m}{s^2}$