MULTIPLE-CHOICE QUESTIONS I. Choose the appropriate/correct choice/choices for the following questions. 1. A particle has (a) only mass and no size (b) no mass but only size (c) neither mass nor size (d) none of the above are correct concept of a particle. Ans-a 3. The law ‘the state of rest or motion of the rigid body is unaltered if a force acting on the body is replaced by another force of the same magnitude and direction but acting anywhere on the body along the line of action of the replaced force’ is known as (a) Newton’s 4th law (b) Law of transmissibility (c) Lami’s theorem (d) D’ Alemberts’ principle Ans-b 4. Which one of the following is fundamental law of forces? (a) Triangle law (b) Polygonal law (c) Parallelogram law (d) Lami’s theorem Ans-c 5. Which one of the following is not a vector? (a) Distance (b) Velocity (c) Acceleration (d) Momentum Ans-a 6. Unit of constant of gravitation is (a) m/sec 2 (b) m-sec (c) N m2 /kg 2 (d) newton Ans-c 7. 1 newton is the forc...
Objective civil engineering engineering machanic