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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)
Equivalen t force System: An equivalent system for the given system of coplanar forces is the combination of force passing through given point and moment about that point. Th
(a) Comment on the require to idealise a body as a particles, a rigid body or a continuum. (b) What do you mean by an inertial reference ? (c) Define quantitatively a force 1
Find the coefficient of friction between ladder and floor: A ladder of 5m long rests on horizontal ground and leans against smooth vertical wall at an angle of 70° with the h
How to drill 500 sheets paper ?in 4 mm dia , holes are same distance as its dia (4mm) in one line.
WELDING PROCEDURE AND PERFORMANCE QUALIFICATION A total quality assurance scheme, embracing all aspects of manufacture would have necessarily made all attempts to ensure
Laser Welding Applications with Low Power For a lap weld joining of AISI 416 stainless steel cap to a AISI 310 stainless steel body, CO 2 Laser with a 575 watts beam out
EQUIPMENT FOR RESISTANCE WELDING-Single phase vs three phase The resistance welding machines can be connected either across 440 V mains (across two lines) or three phase mains.
(a) What are the basic conditions for a body to be in state of equilibrium? (b) Two steel cylinders of similar diameter are supported in a rectangular vessel. The width of the v
A copper-silver bimetallic wire, 1 cm in diameter, is prepared by co-extrusion with copper as the core and silver as the outer layer. The desired properties along the axis parallel
Isolated and Combined Footings Individual columns are generally supported on isolated footings. A typical isolated footing is shown in Figure. This arrangement is suitable when
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