Spoiler
•
F=ma
•
Fr=MuR
•
m1u1 + m2u2 = m1v1 + m2v2
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SUVAT
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s = ut + 1/2at^2
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s = vt - 1/2at^2
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v = u - at
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v^2 - u^2 = 2as
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s = 1/2t(u+v)
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v = d/t
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Differentiation of displacement gives velocity
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Differentiation of velocity gives acceleration.
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Integration of acceleration gives velocity
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Integration of velocity gives displacement.
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Max velocity is when acceleration is zero.
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Remember to take direction into account.
•
Taut/inextensible string means that tension is constant throughout the string.
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ALWAYS remember to work in components (horizontal/vertical) (parallel/perpendicular) NEVER just start randomly adding forces together.
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Draw out the entire diagram, writing down everything you know.
•
Read the question properly.
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Don't make any assumptions!
Spoiler
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