Finding Work given mass and distance - Physics Forums
Sep 26, 2011 · Homework Statement How much work is required to lift a 4.0 kg concreted block to a height of 2.0 m? mass = 4.0 kg distance = 2.0 m Homework Equations W = Fd F = mg (not sure if …
How to calculate the work from force (acceleration and mass)
Apr 24, 2009 · Hi, I would like to calculate the used energy with the accelerometer. Does anyone know how to calculate the used energy (work) from acceleration and body mass?
Parameterization of a path to find work - Physics Forums
Feb 23, 2017 · Homework Statement Evaluate the work done by the two-dimensional force F = ( x2, 2xy ) along each of the following three paths joining the origin to the point P = (1, 1) : The first two are …
How to find work when you have force and time - Physics Forums
Jul 17, 2012 · To find the work done while running up a flight of stairs, the relevant formula is W = F × D, where F is the force (weight in Newtons) and D is the distance (height in meters). The discussion …
How do I calculate work when both pressure and volume ... - Physics …
Feb 10, 2011 · i need help when trying to find the work done by a gas when the pressure and volume are BOTH changing. i know the ( W=P x (change in V) and how to solve problems when pressure is …
A general way of determining the sign of work? - Physics Forums
Oct 16, 2009 · Good evening, (NOTE: This post got a little long; I hope someone has enough patience to read it.) I self-teach physics to myself, but I don't have a complete book (I only have "Volume 2: …
Resistive Force Homework: Find Work & Determine Conservatism
Sep 21, 2008 · Homework Statement A bicyclist rides 7.8 km due east, while the resistive force from the air has a magnitude of 2.4 N and points due west. The rider then...
Solve Photoelectric Effect: Find Work Function ... - Physics Forums
Aug 1, 2007 · Homework Statement When light of wavelength 450 nm is shone on potassium, photoelectrons with stopping potential of 0.52 V are emitted. If the wavelength of the incident light is …
Work, Net work, Work done by friction - Physics Forums
Jan 23, 2013 · Homework Statement I am looking for some clarity on what should be general conceptual questions involving work, net work, and work done by friction. In...
Find work done using force in two dimensions - Physics Forums
Sep 24, 2015 · Find work done using force in two dimensions shanepitts Sep 24, 2015 Dimensions Force Two dimensions Work Work done Click For Summary