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MCQ MEDIA

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1. A number of forces acting at a point will be         in equilibrium, if a. sum of all x and y components are zero. b. all the forces are equally inclined. c. sum of all y components are zero. d. sum of all x components are zero.               The correct answer is: (a)  sum of all x and y components are zero. 2. According to principle of transmissibility of        forces, the effect of a force upon a body is a. maximum when it acts its centre of gravity        of the body b. minimum when it acts its centre of gravity         of the body c. different at different point in the line of               action d. the same at every point in the line of action                  The correct answer is:  (d).  the same at every point in the line of                   action. 3. For two vectors defined by an arrow with a        head and a tail. The length of each vector          and the angle between them represents: a. Magnitude's square and the ratio of their             lengths, respectivel