2 What is the net force on an object when you combine a force of 17 N north with a force of 9 N north? Be sure to include the direction of the force.

The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.

In an experiment, how can i change human errors? be specific.

Where do magnetic lines of force enter earth?