Unit 7: Forces Exam Questions (12 Terms) With Verified Definitions Updated 2024

Newton's 3rd Law {Ans: When an object exerts a force on another object the second object exerts an equal force in the opposite direction on the first object.}Unbalanced Forces {Ans: Forces are not equal or opposite in direction (Net Force ≠ 0)}Balanced Forces {Ans: Forces are equal and opposite in direction (Net Force = 0)}Free Fall {Ans: When gravity is the only force acting on an object.}Air Resistance {Ans: A friction-like force that opposes the motion of objects moving through the air.}Newton's 1st Law {Ans: An object moves at a constant velocity unless acted on by an unbalanced force.}Newton's 2nd Law {Ans: Force (F) = Mass (m) x Acceleration (a)}Inertia {Ans: The tendency of an object to resist a change in motion.}Force {Ans: A push or a pull}Gravity {Ans: The attractive force between two objects with mass}Net Force {Ans: The sum of all forces acting on an object}Friction {Ans: A force that opposes the motion of two objects that are touching.}