A particle moves on a smooth horizontal plane. This means
Salam Academy Original Practice · Proposed mark scheme
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12 questions
A string is modelled as light. This means
Salam Academy Original Practice · Proposed mark scheme
A thin sheet of metal is modelled as a lamina. This means
Salam Academy Original Practice · Proposed mark scheme
Which modelling term means an object does not bend?
Salam Academy Original Practice · Proposed mark scheme
Modelling a string as inextensible means that, in a connected-particles problem,
Salam Academy Original Practice · Proposed mark scheme
A pulley is modelled as smooth. This means
Salam Academy Original Practice · Proposed mark scheme
A plank is modelled as a uniform rod. This means
Salam Academy Original Practice · Proposed mark scheme
Modelling a box as a particle means
Salam Academy Original Practice · Proposed mark scheme
A rod is described as light. In a calculation this means
Salam Academy Original Practice · Proposed mark scheme
A particle slides on a rough horizontal surface. Which force must be included that would be left out if the surface were smooth?
Salam Academy Original Practice · Proposed mark scheme
A bead is threaded on a smooth straight wire. The force of the wire on the bead acts
Salam Academy Original Practice · Proposed mark scheme
Two particles hang from a light inextensible string over a smooth pulley. Which statement uses BOTH the 'light' and 'smooth' assumptions?
Salam Academy Original Practice · Proposed mark scheme