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ICP - Chapter 3
Force Vocabulary
Term | Definition |
---|---|
equilibrium | The sum of all forces acting on an object is equal to zero |
Friction | The force that results from motion between objects (sand paper and wood) |
Gravity | the force that pulls an object to the center of the earth |
Inertia | the resistance of a body to change its state of motion |
Mass | The amount of matter an object has |
Momentum | The mass of an object multiplied by its speed or velocity. |
Newton | a unit of force; N |
Newtons 1st Law | states any object at rest will remain at rest unless acted upon by an outside force |
Newtons 2nd Law | states that the acceleration of an object is directly proportional to the force action on it (F = ma) |
Newtons 3rd Law | states that whenever one object exerts a force on another, the second object exerts and equal and opposite force on the first. |
E | = sum of .... |
Pounds | English system unit of Force |
Weight | A Force created by gravity |
Force | Push or Pull on an object |
Law of conservation of momentum | without an outside force, the momentum before a collision will equal the momentum after the collision |