 # Civil Engineering Questions And Answers :: Applied Mechanics And Graphic Statics: part2 Civil Engineering : Applied Mechanics And Graphic Statics QUESTIONS AND ANSWERS :: part2 : 6 to 10

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2021 and IES 2021 examinations :

 6.A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in 5 sec 8 sec 10 sec 20 sec ANSWER : : 10 sec Explanation :
 7.The maximum displacement of a particle executing S.H.M. corresponds to zero potential energy and maximum kinetic energy zero kinetic energy and maximum potential energy maximum kinetic energy and maxi-mum potential energy minimum kinetic energy and minimum potential energy ANSWER : : zero kinetic energy and maximum potential energy Explanation :
 8.In a simple harmonic motion, the position of equilibrium is always stable unstable neutral none of the above ANSWER : : stable Explanation :
 9.A particle moves in a straight line and its position is defined by the equation x = 6 t2 - t3 where t is expressed in seconds and x in metres. The maximum velocity during the motion is 6 m/sec 12 m/sec 24 m/sec 48 m/sec ANSWER : : 12 m/sec Explanation :
 10.A 2 m long ladder rests against a wall and makes an angle of 30� with the horizontal floor. Where will be the instantaneous centre of rotation when the ladder starts slipping ? i) 1.0 in from the wall ii) 1.732 m from the wall iii) 1.0 m above the floor iv) 1.732 m above the floor The correct answer is (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) ANSWER : : (ii) and (iv) Explanation :

More Applied Mechanics And Graphic Statics QUESTIONS AND ANSWERS available in next pages

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