QuestionDecember 18, 2025

You should write the definition of the key vocabulary down here. Balanced forces Unbalanced forces Equilibrium Constant velocity Force Net force Mass Inertia Acceleration Directly proportional Inversely proportional Newton's 1st law of motion Newton's 2nd law of motion Newton's 3rd law of motion Weight

You should write the definition of the key vocabulary down here. Balanced forces Unbalanced forces Equilibrium Constant velocity Force Net force Mass Inertia Acceleration Directly proportional Inversely proportional Newton's 1st law of motion Newton's 2nd law of motion Newton's 3rd law of motion Weight
You should write the definition of the key vocabulary down here. Balanced forces Unbalanced forces Equilibrium Constant velocity Force Net force Mass Inertia Acceleration Directly proportional Inversely proportional Newton's 1st law of motion Newton's 2nd law of motion Newton's 3rd law of motion Weight

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Forces acting on an object that are equal in size and opposite in direction, resulting in no change in motion. ## Unbalanced forces ### Forces that are not equal and opposite, causing a change in an object's motion. ## Equilibrium ### A state where all forces acting on an object are balanced, resulting in no acceleration. ## Constant velocity ### Motion at a steady speed in a straight line, implying zero acceleration. ## Force ### A push or pull on an object, measured in newtons (N). ## Net force ### The vector sum of all forces acting on an object. ## Mass ### The amount of matter in an object, measured in kilograms (kg). ## Inertia ### The tendency of an object to resist changes in its state of motion. ## Acceleration ### The rate of change of velocity of an object, measured in meters per second squared (m/s²). ## Directly proportional ### A relationship where one quantity increases with the increase of another. ## Inversely proportional ### A relationship where one quantity increases as another decreases. ## Newton's 1st law of motion ### An object at rest stays at rest, and an object in motion stays in motion at constant velocity unless acted upon by a net external force. ## Newton's 2nd law of motion ### **F = ma**: The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. ## Newton's 3rd law of motion ### For every action, there is an equal and opposite reaction. ## Weight ### The force of gravity acting on an object's mass, calculated as **W = mg**, where g is the acceleration due to gravity.
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