speed-time graph Flashcards

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1
Q

distance travelled

A

= area under the graph

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2
Q

a speed-time graph shows…

A

…how an object’s speed changes as it moves

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3
Q

steeper slope…

A

… greater acceleration

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4
Q

negative slope…

A

…deceleration (slowing down)

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5
Q

horizontal (slope=0)…

A

…constant speed

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6
Q

curved graph lines tells us that…

A

…the acceleration was changing

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7
Q

acceleration

A

=gradient of speed-time graph

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8
Q

3 points about acceleration in speed-time graphs:

A
  1. object must be travelling in straight line; its velocity is changing, its direction is not
  2. if line is curved, acceleration is changing
  3. if graph sloping downwards, object is decelerating. gradient = negative
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9
Q

greater the gradient (slope)…

A

…bigger the acceleration

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