SP1 - Motion ✓
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SP1a - What is a scalar quantity?
A quantity with a magnitude (size) but no direction
SP1a - What is a vecotr quantity?
A quantity with a magnitude (size) and direction.
SP1a - What are the six main vector quantities?
• Velocity • Displacement • Acceleration • Force • Weight • Momentum
SP1b - How do you work out average speed?
Speed (m/s) = Distance(m) / Time(s)
SP1b - What is the average speed of walking and cycling?
• Walking: 1.4m/s • Cycling: 6m/s
SP1b - What are the two things you can use to measure speed in an experiment?
• Stopwatch • Light gates
SP1b - On a distance/time graph, what does the gradient represent?
The velocity
SP1b - On a distance/time graph, what does a horizontal line represent?
The object is stationary
SP1b - On a distance/time graph, what does a curve represent?
The object is accelerating/deccelerating
SP1c - How do you calculate acceleration?
Acceleration (m/s²) = Change in velocity (m/s) ÷ Time (s)
SP1c - What is the value of acceleration due to gravity?
9.8m/s² (rounded to 10m/s²)
SP1d - What does a straight slope mean on a velocity time graph?
Acceleration
SP1d - What does a horizontal line mean on a velocity time graph?
The object is moving at a constant velocity
SP1d - What does a curve mean on a velocity time graph?
Changing acceleration
SP1d - What does the area under a velocity time graph represent?
The distance covered