OAR Mechanical Section Questions with Complete Solutions (Latest 2025) What is a vector? - Correct Answers ✅An arrowing pointing in the direction of motion which is proportional to its magnitude What is Newton's First Law? - Correct Answers ✅An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force What is Newton's Second Law? - Correct Answers ✅A force that acts on a body accelerates it in the direction of the force.The larger the force, the greater the acceleration; the larger the mass, the greater its inertia What is Newton's Third Law? - Correct Answers ✅Every action has an equal and opposite reaction Force - Correct Answers ✅Mass x acceleration=m x (change in velocity/change in time) Acceleration - Correct Answers ✅Force/mass 1 / 2
OAR Mechanical Section Questions with Complete Solutions (Latest 2025) Force of gravity between two objects - Correct Answers ✅G (mass 1 x mass 2)/distance Momentum - Correct Answers ✅mass x velocity potential energy - Correct Answers ✅PE=mass x gravity x distance Kinetic energy - Correct Answers ✅KE=.5x mass x velocity^2 Total energy - Correct Answers ✅The sum of potential and kinetic energy Potential energy of a spring - Correct Answers ✅F= resistance of the spring constant x distance Work - Correct Answers ✅Pressure x piston area x displacement or pressure x the change in volume
- / 2