Tag Archives: work

How does the whole process of powering subwoofers work?

Because I thought that they soully reliad on the amps to power it, but I have been that get answers like that you altenator powers it too draining the battery charge as well. And that you would need to re-wire you cable to the altenator to get the power you need and etc.

How does this exactly work?

The 50 kg crate is now hoisted up through a vertical distance of 2 m using a motorized winch. How much work?

The 50 kg crate is now hoisted up through a vertical distance of 2 m using a motorized winch. How much work is done on the crate by the motor?
Question 2 answers
A. 98 J
B. 49 J
C. 0 J
D. 980 J
E. 196 J

What is the work done on the beam by the crane? What is the work done by the force of gravity on the beam?

A crane lifts a 1265 kg steel beam vertically 26 m, it then stops and swings the beam 3 m horizontally into a position where the welders can secure it into its proper position. What is the work done on the beam by the crane? What is the work done by the force of gravity on the beam?

Is wind power generator at home really work ?

I heard about wind power generator and I want to make a wind power generator to power things in my house. Although I am not sure where to find good information. I want to save money. Is there any reliable information on how to make wind power generator at home?

Power in Action 2009 – Tractors and farm machines at work


Working demonstration of Farm Machinery held at Power in Action in Suffolk, UK. See more of this on our ‘Machines at Work’ DVD Volume 2, At the event over 25 tractors were at work with Ploughs, Cultivation Equipment, Seed Drills etc.

How does a climbing or tower crane work?

I have this assignment to find out how a climbing crane is able to move up the building as construction continues.

A crane lifts a 425 kg steel beam vertically upward a distance of 78 m. How much work does the crane do on the?

A crane lifts a 425 kg steel beam vertically upward a distance of 78 m. How much work does the crane do on the beam if the beam accelerates upward at 1.8 m/s^2? Neglect Frictional forces.
I feel like you can’t add the accelerations, you’d have to subtract because they’re in opposite directions.

power outlets in basement dont work. light switches work but all the power outlets arent working?

i tried to reset the breaker but that didnt work. any ideas what could be the problem? the last outlet that was giving power just gave in today and i dont know why.

how does a hydraulic system work in a machine such as a backhoe or a crane?

i need to know how a hydraulic system on a backhoe or a crane or other large construction machines. i need a diagram so i can do a science project.

TEDxEast – Christine Mason McCaull-Industrial Strength Love-How to make Work Work Better


May 9, 2011- Why is the institution of work designed the way it is? Can it be better? How to change your own experience of work starting today. An accomplished CEO shares an inspirational message of love, dignity & acceptance.