Newton's Second Law (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards

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Newton's Second Law
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Newton's Second Law formula

F=m×aF = m \times a

Acceleration & resultant force relationship

Directly proportional

Acceleration & mass relationship

Inversely proportional

Effect of zero resultant force on object

Constant speed, no acceleration

Effect of larger resultant force

Larger acceleration

Effect of heavier mass (same force)

Lower acceleration

Same mass, higher force outcome

Greater acceleration

Same force, higher mass outcome

Lower acceleration

As force increases, acceleration...

Increases (proportional)

As mass increases, acceleration...

Decreases (inversely proportional)

Definition of inertial mass

Measure of how difficult to change velocity

Inertial mass formula

forceacceleration\frac{\text{force}}{\text{acceleration}} or fa\frac{f}{a}

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