Work Equation: Force, Displacement, and theta Explained - Physics …
May 17, 2007 · Okay - This isn't really a homework problem, but i had a question about the work equation, W=Fdcos(theta) Say, for example, you have a block sitting on a surface and there is …
Cosine Theta in Work: Force Angle Relation • Physics Forums
Aug 2, 2011 · Hello, I was wondering if the cosine of theta, in the work equation, related to the angle of the applied force?
Understanding Cosine Theta in Work Equation - Physics Forums
Mar 7, 2006 · Hello Physics Specialists, I am having some difficulty understanding the Work Equation with respect to the Cosine Theta portion of the equation. Work = Force * Distance * Cosine (theta) …
When to use the work-energy formula - Physics Forums
Aug 8, 2008 · I am having trouble deciding when to use the work-energy formula; change in KE=W and derivations of this formula, or the Kf+Uf+Eth=Ki+Ui+Wext formula when presented with work …
What does this equation mean? Physics Work. - Physics Forums
Oct 19, 2011 · This equation is given on my equation sheet for Work but I'm not sure what the sub s stands for. This isn't really a homework question but I'm asking it in...
How Was the Work Equation W=Fd Formulated? - Physics Forums
May 27, 2010 · Hey everyone! I want to know how the equation W=Fd was formulated? That is to say: why is Work determined as the total force TIMES the distance traveled in the direction of the force. It …
Understanding the Relationship Between Work and Torque ... - Physics …
Jul 23, 2004 · After I read that Torque is a force that is both proportional to moment arm and force applied T = f *r , I tried to explain this fact by using the concept of Work which i learned earlier. When …
How Does W=VIt Describe Energy in Electrical Circuits? - Physics Forums
Mar 20, 2018 · Homework Statement I have to explain the equation W=VIt and apply it to a circuit. But I do not undertsand what the equation shows. Homework Equations W=VIt The Attempt at a Solution …
Can force or displacement be negative in the work equation?
Feb 28, 2015 · I know that work is the "dot product" of force and displacement, but I got a little stuck with this problem: "Vera is driving her 1000-kg car at a speed of 8m/s. When Vera slams on the brakes, …
Can I Combine X and Y Components in the Work Equation? - Physics …
Mar 13, 2020 · I don't know how to combine the x,y components with the equation of work.