forces and their effect
- Created by: ikayleigh
- Created on: 05-06-16 14:43
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- forces and their effects
- measuring
- measured in Newtons (N)
- stronger the force greater value of Newtons
- there is a linear relationship between the size of the force and the resulting stretch
- balanced and unbalanced
- when forces are balanced an object will continue at the same speed.
- pivots and moments
- pivot is used to turn things
- moment is the turning effect of a force, unit is Nm
- moment= force x distance from the pivot
- work and energy change
- work is only done if the object changes speed or shape
- work is measure in Newton metres (Nm(, or Joules (J)
- not movement of and object would be no work
- work is done if a force has acted on an object and there has been a change in that object
- forces and motion
- an object will move in the direction force has been applied
- to change an objects speed a force has to be applied
- for an object to speed up more force has to be applied in the direction of movement
- for an object to slow down the force has to be in the opposite direction to the direction of movement
- speed, distance and time
- speed= distance/time
- measuring
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