
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?
Given time, distance and weight, how do I calculate work? - Physics …
Jan 21, 2014 · Homework Statement a worker who carries blocks of cement from a flight of stairs to an apparatus that is 8 meters high. Every block weighs 1.50 x 10 to the second power Newtons and the …
Calculating the Work Required to Climb Stairs - Physics Forums
Nov 12, 2016 · Homework Statement A 60.78kg student climbs 4.08m of stairs in 3.85s. Calculate the work required to climb the stairs. m= 60.78kg, Δdy=4.08m, Δt=3.85s Homework Equations W=FΔd …
How do I calculate the work done while climbing stairs? - Physics Forums
Feb 2, 2010 · I am working on a lab and I'm not sure how to calculate the work (done by me). I know work = W=(F Cos theta) and Force =F= W/t In the lab I am to walk up a set of stairs and time myself. …
Calculating Force, Work, and Power Values For A ... - Physics Forums
Jul 5, 2014 · Thank you in advance for your help! Consider a lifter performing a bench press. The weight of the bar is 225 lbs. Assume the duration of the entire movement from the lowest point to the …
Calculating Work W: when pdV or Vdp? • Physics Forums
Jul 26, 2011 · The discussion focuses on the appropriate use of the integrals W = ∫pdV and W = ∫Vdp for calculating work in thermodynamic processes. It clarifies that pdV is used for closed systems where …
Calculate minimum work input of refrigeration cycle - Physics Forums
Nov 25, 2017 · Homework Statement The temperature of a 12-oz (0.354-L) can of soft drink is reduced from 20 to 5 ºC by a refrigeration cycle. The cycle receives energy by heat transfer from the soft drink …
How do I calculate the work done on a box pushed up an ... - Physics …
Jul 20, 2008 · Edit: I'll fix the symbols once I figure out how to do them properly. Sorry about that. Is there a tutorial ob how to use the math symbols? I can't find one anywhere. Homework Statement A …
Calculate Work on Trunk going up Incline • Physics Forums
May 24, 2008 · The discussion focuses on calculating the work done on a trunk being pushed up an incline. The applied force of 375 N results in a calculated work of 212 J. The work done by friction, …