Correct Answer : Option (C) : Newton’s laws of motion
Explanation : The fundamental law for engineering mechanics is Newton’s laws of motion. Newton’s first law, second law, and third law are widely used to solve issues involving mechanical aspects.
Correct Answer : Incorrect
Explanation : Coefficient of restitution for elastic bodies is 0 - 1.Coefficient of restitution for perfect elastic bodies is 1.
Correct Answer : Square-threaded
Explanation : In the machines, square threaded screws are employed. Because screws are commonly employed as fasteners. The fundamental benefit of screws is that the friction aids in the structure’s retention. Screws also aid in the fast and efficient joining of the structure.
Correct Answer : Agree