Important Engineering Mechanics MCQs
1. From the following which one is the fundamental law of forces? (A) Parallelogram law (B) Lami’s theorem (C) Polygonal law (D) Triangle law 2. A particle generally has: (A) No mass but only size (B) Neither mass nor size (C) Only mass and no size (D) None of the above 3. From the following which one is not a vector? (A) Velocity (B) Momentum (C) Distance (D) Acceleration 4. Which is the unit of the constant of gravitation? (A) Newton (B) Nm 2 / kg 2 (C) Meter per second (D) Meter 5. For given data, A=50 N and B= 120 N and A is at 90 degrees to B, the resultant of AB is: (A) 100 N (B) 70 N (C) 130 N (D) 165 N 6. What does mean by free-body diagram: (A) The diagram of a freely suspended body (B) The diagram of a body with applied forces, self-weight, and reactions (C) The diagram drawn with freehand (D) None of the above 7. If we pulled a roller over a curb with the least frequency q required is: (A) Horizontal (B) 90degree to the reaction (C) 45 degree to the reaction (D) Vertical 8.