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 c. Right angled triangle  d. None of the above

5)   If a material has no uniform density throughout the body, then the position of centroid and center of mass are ________ a. identical b. not identical  c. independent upon the density d. unpredictable

6)   What is the centroidal distance along the line of symmetry XO for the quarter circle shown below?  (where D= 4r/3π) a. √(1/D) b. √D c. √2 (D)  d. √2 (D2)

7)   The rate of change of __________ with respect to time is called as jerk. a. acceleration  b. density c. displacement d. volume

8)   During unidirectional motion, the displacement and distance traveled by a particle with uniform acceleration is ______ a. different b. same  c. variable d. none of the above

9)   The nature of v-t curve is as shown below, when acceleration of a particle is _______ a. a linear function of time b. non-zero and constant  c. zero d. none of the above

10)   A particle moving with respect to fixed frame of reference is called as __________ a. absolute motion  b. relative motion c. rectilinear motion d. none of the above for more                                                        Next >>