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# Momentum & Impulse - A Level Physics Quiz

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 Question
What is the symbol for momentum?   p
Define momentum   = mass x velocity
Define change in momentum   = final momentum - intial momentum
Newton's 2nd law (in terms of acceleration)   RESULTANT force acting on an object is proportional to its acceleration; the acceleration takes place in the DIRECTION of the resultant force
Newton's 2nd law (in terms of momentum)   the rate of change of momentum of an object is proportional to the RESULTANT force acting on it; the change in momentum takes place in the DIRECTION of the resultant force
If F is proportional to ma, what is F equal to?   F = k ma
What is the value of k in F = k ma   1
how do we define the newton so that k = 1 in F = k ma?   1 newton is the force that provides a mass of 1 kilogram with an acceleration of 1 metre per second squared
Is momentum a scalar or a vector?   vector
What is the unit of momentum?   kilogram metre per second
Define Newton's 2nd law in terms of acceleration   force = mass x acceleration
Define Newton's 2nd law in terms of rate of change of momentum   force = mass x rate of change of momentum
Give a symbol formula for impulse with 'Ft' as the subject of the equation   Ft = m(v-u) or Ft = mv - mu
What is the 'preferred' unit of impulse?   Ns

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Created by: sdas on 2008-09-15