Physics M3C3 Motion

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Last updated 4:46 PM on 1/24/26
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9 Terms

1
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Calculating average speed

  • Average speed = distance travelled/time taken

2
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A distance-time graphs represents?

  • Horizontal straight line - stationary

  • Sloping straight line - constant velocity (velocity = gradient)

  • Curved line - acceleration/deceleration (instantaneous velocity = gradient of tangent)

3
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Vectors & Scalars

  • Vectors - Both direction and magnitude

  • Scalars - Only magnitude, no direction

4
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A velocity-time graph represents?

  • V = 0 - stationary

  • Horizontal straight line - constant velocity

  • Sloping straight line - constant acceleration/deceleration (acceleration = gradient)

  • Curved line - Non uniform acceleration (instantaneous acceleration = gradient of tangent)

  • Area under graph - distance (counting squares or mathematically finding area)

5
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Acceleration

  • Rate of change of velocity

  • Acceleration = change in velocity/change in time

6
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SUVAT

  • Know how to do SUVAT calculations

  • Know what happens in free fall

7
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Stopping distances

  • Stopping distance = thinking distance + braking distance

  • Thinking distance = speed x reaction time

  • Braking distance at 30mph (13.4m/s) is 14m

8
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Electromagnet trapdoor experiment

  • Know it

9
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Projectile motion

  • V and H are separate

  • Know how to do calculations