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

Varignon theorem - mechanics, Varignon theorem: State Varignon's theo...

Varignon theorem: State Varignon's theorem. How it helps in determining of the moments? In which type of condition is it used? Sol.: Varignon's theorem also called Law

Essay, which topics i should take from mechanical engineering to compare th...

which topics i should take from mechanical engineering to compare them

Tool geometry, why single point cutting tool used in lathe

why single point cutting tool used in lathe

Industrial jobs, i wanna know is production job is best or marketing after ...

i wanna know is production job is best or marketing after doing btech

IC engines, How does an Ignition system works ?

How does an Ignition system works ?

Design requirements, A steel member supported by a tie bar has a load of 15...

A steel member supported by a tie bar has a load of 15 000 lbs on it. If the force on the steel member of 1.2 in 2 cross section is 14,180 lbs and the force on the tie bar of diam

Theory of machine, In turning moment diagram. why we start to draw curve fr...

In turning moment diagram. why we start to draw curve from o degree?

SFD AND BMD, what is SFD and BMD? EXPLAIN

what is SFD and BMD? EXPLAIN

What are the problems to improve the deficirncies og iges, Problems to impr...

Problems to improve the deficirncies of IGES Within the framework of this interface, an attempt was to be made to improve the deficiencies of IGES, SET and VDAFS which have the

Beams, a beam ABC is simply supported at A and C and caries a couple equal ...

a beam ABC is simply supported at A and C and caries a couple equal to 100kN applied clockwise at B

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