# Mechanical Engineering Questions And Answers :: Engineering Mechanics: part3

Mechanical Engineering : Engineering Mechanics QUESTIONS AND ANSWERS :: part3 : 1 to 5

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

 1.63. If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be maximum minimum zero infinity same as the force applied. ANSWER : : zero Explanation :
 2.62. In the equation of virtual work, following force is neglected reaction of any smooth surface with which the body is in contact reaction of a rough surface of a body which rolls on it without slipping reaction at a point or an axis, fixed in space, around which a body is con-strained to turn all of the above none of the above. ANSWER : : all of the above Explanation :
 3.59. The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be r/2 2r/3 r/A 3r/2 3r/A. ANSWER : : 3r/2 Explanation :
 4.70. Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction along the plane horizontally vertically at an angle equal to the angle of fric�tion to the inclined plane unpredictable. ANSWER : : at an angle equal to the angle of fric�tion to the inclined plane Explanation :
 5.73. On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be towards the wall at its upper end away from the wall at its upper end upwards at its upper end downwards at its upper end none of the above. ANSWER : : upwards at its upper end Explanation :

More Engineering Mechanics QUESTIONS AND ANSWERS available in next pages

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