Physics additional : Forces and acceleration

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How a stationary object will remain stationary

1) If the resultant force on a stationary object is zero, the object will remain stationary.

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What happens to a moving object with no resultant

1) if there's no resultant force on a moving object it will just carry on moving at the same velocity.

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What happens when there is a resultant force

1) If the resultant force is not zero then the object will accelerate in the direction of the force.

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The formula for acceleration

F = ma
A = F/M
acceleration is measured in m/s squared

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Reaction forces

1) When two objects interact the forces they exert on each other are equal and opposite.

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