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Forces and motion
Speed, distance and time
Velocity ­ A vector which has both speed and direction.



Speed = Distance ÷ Time

(Sammy's Dog Tickles)



Velocity= Displacement ÷ Time



Acceleration
Acceleration= Change in velocity÷ time taken

(m/s²) (m/s) (s)

(Apples Change Variety Today )

Force
Resultant force- The forces added…

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Gravity= approx. 10N/kg

Weight= Mass × Gravity (Gravitational field strength)

(N) (kg) (N/kg)

(Waving Monkey Guru)

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