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MEC 107

MEC 107 MCQ 5

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MEC 107 MCQ 3

Mechanics Pratice paper 3 21) Which axial force is determined while analyzing a truss? a. compressive force b. tensile force c. both a. and b. d. none of the above ANSWER: both a. and b. 22) If a body is subjected to plastic impact, _______ a. only kinetic energy is conserved b. only momentum is conserved c. both a. and b. d. none of the above 23) An object of 30 kg is moved with a velocity of 2 m/s on a horizontal smooth surface. What is the velocity of the block for 4 seconds if force of 40 N is applied on it in the direction of force? a. 2 m/s b. 4.6 m/s c. 7.33 m/s d. 9.33 m/s ANSWER: 7.33 m/s 24) If two objects of 30 kg and 10 kg move with equal kinetic energy, then what is the ratio of magnitudes for linear momentum? a. √3 : 1 b. 1 : √3 ...

MEC 107 MCQ 1

Mechanics Practice set paper 1 1) Forces passing through a common point are known as _____ a. collinear forces b. co-planer forces c. concurrent forces d. none of the above 2) Varignon's theorem is used to find ________ a. direction of resultant force b. location of resultant force c. magnitude of resultant force d. nature of resultant force 3) Couple is formed due to two ______ a. like, parallel and non-collinear forces of same magnitude b. like, perpendicular and collinear forces of different magnitude c. unlike, parallel and non-collinear forces of same magnitude d. unlike, perpendicular and non-collinear forces of different magnitude 4) Which of the following laminas do not have centroid at its geometrical centre? a. Circle b. Equilateral triangle ...