Work-power-energy, Mechanical Engineering

Assignment Help:

 

Under the action of constant force, a 2kg block moves such that its position x as a function of time is given by X=t^3/3 ,where x in meters and t in sec , the workdone by force in first 2 seconds is

A 26.6 j

B 3.3 j

C 16 j

D 32 j

Solution) v=dx/dt=t^2,a=dv/dt=2t,f(t)=ma(t),w=∫f(t)*v(t) dt (from x=0 to x=2 sec)


Related Discussions:- Work-power-energy

Desgin of furnce - combustion chamber, Desgin of furnce - combustion chambe...

Desgin of furnce - combustion chamber: • Deside on type of furnace :need review of furnace types (grete,fluidized bed,puluerised coal or other. • Sectch of furnace design with

Explain the newer machining processes, Explain the Newer Machining Processe...

Explain the Newer Machining Processes In recent years a number of new material have been developed which are being commonly used in space research missiles and nuclear indu

Explain tee joints, Tee joints -The square tee joint requires a fillet weld...

Tee joints -The square tee joint requires a fillet weld that can be made on one or both sides. It can be used for light or fairly thick materials. For maximum strength, considerabl

Engineering mechanics, how to solve engineering mechanics statics problem?

how to solve engineering mechanics statics problem?

What are the demerits and merits of sliding mesh gear box, (a ) What are th...

(a ) What are the demerits and merits of sliding mesh gear box? (b) Show a four speed gear box, including reverse speed for a passenger car and illustrate how the speed ratio is

Define the adjustable auger mechanisms, Define the Adjustable auger mechani...

Define the Adjustable auger mechanisms They improved mounting arrangement for the auger and auger drive mechanism of a floating screed type asphalt paver. And they provide actu

Suspension system, Suspension System, Wheels and Tyres:  There are numerou...

Suspension System, Wheels and Tyres:  There are numerous types of suspensions for connecting the wheels to frame body. The suspension plays the vital role in handling and driving

Computational fluid dynamics package , Cooling of storage tanks: A res...

Cooling of storage tanks: A research involving using a bench top scale wind tunnel to investigate heat losses from storage tanks. A series of small scale model tanks have bee

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd