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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 isA 26.6 jB 3.3 jC 16 jD 32 jSolution) 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)
define moment of inertia
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COMPARISON WITH CAM MECHANISMS WITH LINKAGES
Discover ratio of the torsional strengths: A hollow shaft of inner diameter is 1/2 × the outer diameter & a solid shaft of diameter is the external diameter of the hollow shaf
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Evaluate the resultant both in magnitude and direction of the four force acting on the body as shown in figure given below :
Calculate the crack Stress Intensity Factor: If on the beam specimen of last problem two loads, each equal to 500 N, are applied at distance of 25 mm from central plane, calcu
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