OCR AS Physics - Mechanics and Materials

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  • Created by: Mal
  • Created on: 19-03-14 13:27

Pages in this set

Page 1

Preview of page 1
Intoduction
There are 40 Mechanics
definitions which you need to
learn and practice recalling.
These are all listed in these
slides.
Other SmartphonePhysics resources
give you more background detail on
each.

Page 2

Preview of page 2
Components
The components of a vector are
any two mutually perpendicular
vectors whose vector sum is
equal to the original vector.

Page 3

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Resultant
The answer to a vector sum of
two or more vectors.

Page 4

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Distance
The length of the path travelled
from an object's starting
position to its final position.
Unit: m

Page 5

Preview of page 5
Thinking
Distance
The distance travelled (at
constant velocity) in the time it
takes the driver to react.
Unit: m

Page 6

Preview of page 6
Braking
Distance
The distance travelled by the
vehicle from when the brakes
are firstly applied until it stops
safely.
Unit: m

Page 7

Preview of page 7
Stopping
Distance
The sum of the Thinking
Distance and the Braking
Distance.
Unit: m

Page 8

Preview of page 8
Displacement
The length AND direction of a
straight line drawn from an
object's starting position to its
final position.
Symbol: s Unit: m (if required, degrees
are used for the direction)

Page 9

Preview of page 9
Instantaneous
speed
The gradient of a tangent drawn
on distance vs time graph.
Symbols: u, v Unit: ms-1

Page 10

Preview of page 10
Average speed
The total distance travelled
divided by the total time taken.
Unit: ms-1

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Pages in this set

Page 1

Preview of page 1
Intoduction
There are 40 Mechanics
definitions which you need to
learn and practice recalling.
These are all listed in these
slides.
Other SmartphonePhysics resources
give you more background detail on
each.

Page 2

Preview of page 2
Components
The components of a vector are
any two mutually perpendicular
vectors whose vector sum is
equal to the original vector.

Page 3

Preview of page 3
Resultant
The answer to a vector sum of
two or more vectors.

Page 4

Preview of page 4
Distance
The length of the path travelled
from an object's starting
position to its final position.
Unit: m

Page 5

Preview of page 5
Thinking
Distance
The distance travelled (at
constant velocity) in the time it
takes the driver to react.
Unit: m

Page 6

Preview of page 6
Braking
Distance
The distance travelled by the
vehicle from when the brakes
are firstly applied until it stops
safely.
Unit: m

Page 7

Preview of page 7
Stopping
Distance
The sum of the Thinking
Distance and the Braking
Distance.
Unit: m

Page 8

Preview of page 8
Displacement
The length AND direction of a
straight line drawn from an
object's starting position to its
final position.
Symbol: s Unit: m (if required, degrees
are used for the direction)

Page 9

Preview of page 9
Instantaneous
speed
The gradient of a tangent drawn
on distance vs time graph.
Symbols: u, v Unit: ms-1

Page 10

Preview of page 10
Average speed
The total distance travelled
divided by the total time taken.
Unit: ms-1

Comments

No comments have yet been made