Understanding Coil Winding Direction & Polarity - Physics Forums
Feb 4, 2015 · The circuit behaved the same either way, but the direction of the magnetic field within the coil changed direction. In ending, your choice of the winding clockwise vs …
What are the common challenges in determining the direction of …
Oct 23, 2010 · The direction of your thumb toward the thumbnail is the direction of the moment, and the curl of your fingers will determine clockwise versus counterclockwise. Also, when …
Finding the net torque about the axle? - Physics Forums
Oct 11, 2015 · Homework Statement The 29.5cm diameter disk rotates counterclockwise on an axle through its center. F1=20.8N, F2=58.6N, F3=58.6N, F4=20.8N, and d=5.27cm. What is …
Magnetic Field at the Center of a Wire Loop • Physics Forums
Mar 7, 2008 · It has a steady current I flowing through it in a counterclockwise direction as seen from the top (looking in the negative z direction). What is B_z (0), the z component of B at the …
How Do You Determine Clockwise vs. Counterclockwise in Torque?
Oct 16, 2007 · Understanding clockwise and counterclockwise torque involves identifying the pivot point and the direction of the applied force. To determine the torque's direction, visualize a line …
Understanding Angular Acceleration: Slowing Down in Clockwise …
Mar 13, 2009 · Angular acceleration is considered positive when an object rotating clockwise slows down because the acceleration is directed counterclockwise, opposing the motion. The …
Simple Harmonic Motion of a rolling ball • Physics Forums
Nov 1, 2010 · Homework Statement A ball rolls on a circular track of radius 0.61 m with a constant angular speed of 1.3 rad/s in the counterclockwise direction. A. If the angular position of the …
Find Direction of Vector A+B: Easy Problem Solved
Aug 29, 2004 · "Find the Direction of Vector A + B. (Let the direction be the angle that the vector makes with the +x-axis, measured counterclockwise from the axis)" I'm very confused, what is …
Calculating Magnetic Field Using Biot-Savart Law for Concentric Arcs
Oct 15, 2007 · The closed loop shown in the figure below carries a current of 6.90 A in the counterclockwise direction. The radius of the outer arc is 65.0 cm, that of the inner arc is 41.0 …
The direction of an electrical current - Physics Forums
Jun 8, 2018 · The 2 coils will have opposite magnetic fields, so if the current is moving from positive to negative only and creating different magnetic fields based on the coil winding …