Determine the components of reaction at the fixed support

a. the 400 n, 500 n, and 600 n forces are parallel to the x, y, and z axes, respectively

What is work? how much work is done to move an object 0 meters?

How are calculation for velocity and speed different

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.