1.15 calculate the resultant force of forces that act along a line

1.15 calculate the resultant force of forces that act along a line

Forces along a line can combine by addition.  

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  1.11 describe the effects of forces between bodies such as changes in speed, shape or direction

• 1.12 identify different types of force such as gravitational or electrostatic

• 1.14 understand that force is a vector quantity

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  1.16 know that friction is a force that opposes motion

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  1.17 know and use the relationship between unbalanced force, mass and acceleration : F = M x A

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  1.21 describe the forces acting on falling objects (explain why falling objects reach a…