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Linear Motion
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451713
Mind Map
by
alex.examtime9373
, created
almost 6 years ago
This mind map covers scalar quantities, vectors, distance-time graphs, velocity-time graphs and equations of motion. It is aimed at a Leaving Certificate student or someone who wishes to further their knowledge of linear motion.
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leaving certificate
linear motion
physics
Created by
alex.examtime9373
almost 6 years ago
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Resource summary
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Linear Motion: Scalar Quantities
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Linear Motion
1 Scalar quantities
1.1 Magnitude only
1.2 Examples
1.2.1 Distance (d)
1.2.1.1 How far one point is from another
1.2.1.2 Metres (m)
1.2.2 Speed
1.2.2.1 Distance travelled per unit time
1.2.2.2 Metres per second (m/s)
1.2.3 Mass
1.2.4 Temperature
1.2.5 Time (t)
1.2.5.1 Measures the duration of events
1.2.5.2 Seconds (s)
1.2.6 Electric current
2 Vector quantities
2.1 Both magnitude and direction
2.2 Displacement (s)
2.2.1 Distance in a given direction
2.2.2 Metres (m)
2.2.3 The straight line distance between two points
2.2.3.1 Accompanied by the direction
2.3 Velocity (u or v)
2.3.1 The rate of change of displacement with respect to time
2.3.2 Average velocity = (u + v)/2
2.3.2.1 U = initial velocity
2.3.2.2 V = final velocity
2.4 Acceleration (a)
2.4.1 Rate of change of velocity with respect to time
2.4.2 Metres per second squared
2.4.3 (change in velocity) / (time taken)
2.4.3.1 (v - u)/ t
2.5 Other examples
2.5.1 Momentum
2.5.2 Force
2.5.3 Magnetic flux density
3 Equations of Motion
Attachments:
Linear Motion: Newton's Equations of Motion
3.1 v = u + at
3.2 s = u + (1/2)at²
3.3 v² = u² +2as
4 Graphs
Attachments:
Linear Motion: Graphs of Linear Motion
4.1 Distance-Time Graphs
4.1.1 Slope = velocity
4.2 Velocity-Time Graphs
4.2.1 Slope = acceleration
4.2.2 Area under the graph = distance travelled
5 Vector calculations
Attachments:
Linear Motion: Basic Vector Operations
5.1 Adding co-linear vectors
5.1.1 Same direction
5.1.1.1 Add magnitudes
5.1.1.2 Use same direction
5.1.2 Opposite direction
5.1.2.1 Subtract magnitudes
5.1.2.2 Use direction of larger vector
5.2 Adding perpendicular vectors
5.2.1 Pythagoras theorem
5.2.2 Sine, cosine, tangent
5.3 A vector can be resolved into two perpendicular component vectors
Media attachments