SP1 - Motion ✓ Flashcards

1
Q

SP1a - What are the five main scalar quantities?

A
  1. Speed
  2. Mass
  3. Time
  4. Distance
  5. Temperature
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2
Q

SP1a - What are the six main vector quantities?

A
  • Velocity
  • Displacement
  • Acceleration
  • Force
  • Weight
  • Momentum
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3
Q

SP1a - What is a scalar quantity?

A

A quantity with a magnitude (size) but no direction

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4
Q

SP1a - What is a vector quantity?

A

A quantity with a magnitude (size) and direction.

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5
Q

SP1b - How do you work out average speed?

A

Speed (m/s) = Distance(m) / Time(s)

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6
Q

SP1b - On a distance/time graph, what does a curve represent?

A

The object is accelerating/deccelerating

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7
Q

SP1b - On a distance/time graph, what does a horizontal line tell us?

A

The object is stationary

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8
Q

SP1b - On a distance/time graph, what does the gradient represent?

A

The velocity

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9
Q

SP1b - What are the two things you can use to measure speed in an experiment?

A
  • Stopwatch
  • Light gates
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10
Q

SP1b - What is the average speed of walking and cycling?

A
  • Walking: 1.4m/s
  • Cycling: 6m/s
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11
Q

SP1c - How do you calculate acceleration?

A

Acceleration (m/s²)

=

Change in velocity (m/s) ÷ Time (s)

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12
Q

SP1c - What is the value of acceleration due to gravity?

A

9.8m/s² (rounded to 10m/s²)

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13
Q

SP1d - What does a curve mean on a velocity time graph?

A

Changing acceleration

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14
Q

SP1d - What does a horizontal line mean on a velocity time graph?

A

The object is moving at a constant velocity

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15
Q

SP1d - What does a straight slope mean on a velocity time graph?

A

Constant Acceleration

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16
Q

SP1d - What does the area under a velocity time graph represent?

A

The distance covered

17
Q

SP1b - What is the speed of sound?

A

340 m/s