Newton's Laws of Motion (AQA GCSE Physics Combined Science): Flashcards

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Newton's First Law
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Newton's First Law alternate name

Law of Inertia

Newton's First Law basic principle

Object stays in current state unless force acts

Zero resultant force on stationary object

Remains stationary

Zero resultant force on moving object

Continues at same velocity

Effect of resultant force on object

Acceleration

Acceleration in terms of velocity

Change in velocity over time

Inertia definition

Tendency to continue in state of rest or uniform motion

50N50N right + 50N50N left resultant force

Zero (forces balanced)

Resultant force when object at constant velocity

Zero

Resistive forces direction

Opposite to motion of object

Resultant force causes what to change

Speed or direction (or both)

Moving object with no resultant force state

Same velocity (same speed and direction)

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