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14 Cards in this Set
- Front
- Back
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• Speed |
s = d/t s: Speed (m/s) d: Distance (m) t: Time (s) |
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• Velocity |
v = s/t v: Velocity (m/s) s: Displacement (m) t: Time (s) |
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• Acceleration |
a = (v - u) /t a: Acceleration (ms^(-2)) v: Final velocity (m/s) u: Initial velocity (m/s) t: Time (s) |
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• Suvat
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• v = u + at • v^(2) = u^(2) + 0.5at^(2) • s = 0.5(u + v)*t
• s = ut + 0.5at^(2) |
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• Thinking distance
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Speed * reaction time
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• Stopping distance
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thinking distance + braking distance
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• Force
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F = ma F: Force (N) m: Mass (kg) a: Acceleration (ms^(-2)) |
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• Weight
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W = mg W: Weight (N) m: Mass (kg) g: Gravitational field strength (ms^(-2)) |
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• Moment
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M = Fd M: Moment (Nm) F: Force (N) d: perpendicular distance (to the force) (m) |
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• Torque
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M = Fd M: Torque (Nm) F: one Force (N) d: perpendicular distance (to the force) (m) |
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• Density
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ρ = m/v ρ: Density (kgm^(-3)) m: Mass (kg) v: Volume (m^(3)) |
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• Pressure (no height)
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P = F/A P: Pressure (Pa) F: Force (N) A: Cross-sectional area (m^(2)) |
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• Pressure (no area)
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P = ρgh P: Pressure (Pa) ρ: Density (kgm^(-3)) g: gravitational field strength (ms^(2)) h: Height (m) |
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• Upthrust
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U = mg u: Upthrust (N) m: Mass (kg) g: Gravitational field strength (ms^(-2)) |
