A quantity that has magnitude only
A quantity that has magnitude only 


 A quantity that has magnitude and direction
A quantity that has magnitude and direction 



A push or pull acting on a body from some external source
A push or pull acting on a body from some external source 


 If Body A exerts a force on Body B then Body B exerts an equal and opposite force on Body A
If Body A exerts a force on Body B then Body B exerts an equal and opposite force on Body A 



The perpendicular distance x the force
The perpendicular distance x the force 


 Anticlockwise moments= clockwise moments
Anticlockwise moments= clockwise moments 



The point in the body at which the weight is considered to act
The point in the body at which the weight is considered to act 


 The shortest distance from A to B with the direction
The shortest distance from A to B with the direction 



Rate of change of distance
Rate of change of distance 


 Rate of change of displacement
Rate of change of displacement 



Rate of change of velocity
Rate of change of velocity 


 The constant maximum velocity of an object when the resistive forces on it are equal and opposite to the acclerating forces on it
The constant maximum velocity of an object when the resistive forces on it are equal and opposite to the acclerating forces on it 



The product of the magnitude of a force and the distance moved in the direction of the force
The product of the magnitude of a force and the distance moved in the direction of the force 


 Force per unit extension 
The amount of work a body can do
The amount of work a body can do 


 Energy can't be created or destroyed, only transferred from one form or another
Energy can't be created or destroyed, only transferred from one form or another 



Energy possessed by virtue of position
Energy possessed by virtue of position 


 Energy possessed by virtue of an object's motion
Energy possessed by virtue of an object's motion 



Work done per second/ Energy transferred per second
Work done per second/ Energy transferred per second 


 The rate of flow of charge
The rate of flow of charge 



The energy converted from electrical potential energy to some other form of charge per coulomb of charge flowing from one point to another
The energy converted from electrical potential energy to some other form of charge per coulomb of charge flowing from one point to another 


 The current flowing through a metal wire at constant temperature
The current flowing through a metal wire at constant temperature 



The p.d. across a conductor divided by the current through it
The p.d. across a conductor divided by the current through it 


 The temperature at which a material, when cooled, loses all electrical resistance
The temperature at which a material, when cooled, loses all electrical resistance 



Electric charge cannot be created or destroyed nor can charge pile up anywhere
Electric charge cannot be created or destroyed nor can charge pile up anywhere 


 The energy converted from some other form to electrical potential energy per coulomb of charge flowing through the source
The energy converted from some other form to electrical potential energy per coulomb of charge flowing through the source 



Time taken for one complete circuit/cycle
Time taken for one complete circuit/cycle 


 The number of cycles or circuits per second
The number of cycles or circuits per second 



The angle swept out by the radius in time t
The angle swept out by the radius in time t 


 An object's accleration is directed towards a fixed point and is proportional to its distance away from that point
An object's accleration is directed towards a fixed point and is proportional to its distance away from that point 



The maximum value of an object's displacement from its equilibrium position
The maximum value of an object's displacement from its equilibrium position 


 An object continues moving in a straight line or at reast, unless acted upon by a resultant force
An object continues moving in a straight line or at reast, unless acted upon by a resultant force 



The dying away of the amplitude of free oscillations due to resistive forces
The dying away of the amplitude of free oscillations due to resistive forces 


 When a driving force is applied to a system, causing it to vibrate with the applied force
When a driving force is applied to a system, causing it to vibrate with the applied force 



The frequency of the applied force is equal to the natural frequency of the system, causing it to oscillate with maximum amplitude
The frequency of the applied force is equal to the natural frequency of the system, causing it to oscillate with maximum amplitude 


 mass x velocity 
the rate of change of momentum for an object is proportional to the resultant force acting on it and moves in the direction of that force
the rate of change of momentum for an object is proportional to the resultant force acting on it and moves in the direction of that force 


 
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