467759
Description
Mind Map by albertdoyle2001, updated more than 1 year ago
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Created by albertdoyle2001
almost 11 years ago
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Forces and Motion
- Force and linear motion
- Speed = distance travelled/ time taken
- On distance-time graphs steeper the
line the greater speed of the object
- speed = distance/ time
- Unbalanced forces can change the
speed or direction of an object
- Balanced forces will produce no change in the movement
of an object
- Forces such as air resistance, friction, weight
and Gravity exist
- Speed = distance travelled/ time taken
- Forces and Rotation
- moment (turning effect) = force x distance
(units Newton Metres)
- Forces can cause an object to turn around on a pivot
- moment (turning effect) = force x distance
(units Newton Metres)
- Force and Presure
- Pressure=force / area
(units=N/cm2)
- Pressure is exerted by solids, Liquids and gasses
- Pressure=force / area
(units=N/cm2)
- Vocabulary: Turning effect of forces= moments
- Calculating a moment: M= FxD
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