PHYSICS, WORTH 10 POINTS! Describe how to draw magnetic field lines. Identify an example of how we can see them around a
magnet.

Write at least 3 sentences in your response

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.