Physics moment

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					    Physics 5

Pressure and Moments
   C/W        Pressure         8-Apr-11

Aims:- 4 describe pressure
       5 explain pressure in a liquid or gas
       6 calculate pressure
FT

      Copy note then do …
 • Pressure is how spread-out a force is

 Complete worksheet then …

 Draw a design for either:
 • a stiletto with a low pressure heel
 • a football boot with high pressure studs
IT

          Copy note then do …
     • Pressure is how spread-out a force is

     Complete worksheet
IT

          Copy note then do …
     • Pressure in a liquid is caused by the
       weight of the liquid on top

      Watch demo – draw it, label it and
      explain what you see
IT

          Copy note then do …
     • Pressure in a gas is caused by the gas
       particles hitting the sides of the
       container

      Answer questions a,b and 1 on pages
      36-37
HT

        Copy note then do …
 • Pressure is how spread-out a force is

     Pressure   =   Force     ÷   Area
       N/m2           N            m2

     Now complete worksheet
HT

       Copy note then do …
 • Pressure in a liquid is caused by the
   weight of the liquid on top
 • Pressure is the same throughout the
   liquid

     Copy hydraulic example diagram and
     calculation p34
     Attempt worksheet
HT

        Copy note then do …
 • Pressure in a gas is caused by the gas
   particles hitting the sides of the
   container

     Answer questions a,b and 1,3 on
     pages 36-37
 Are You On Target Today?
Aims:-
     4 describe pressure
     5 explain pressure in a liquid or gas
     6 calculate pressure
   C/W      Moments        8-Apr-11

Aims:- 4 describe what a moment is
       5 explain balanced moments
       6 calculate balancing moments
FT

      Copy note then do …
 • A ‘moment’ is the turning effect of a
   force

 Complete Worksheet 1 (levers)

 Complete Worksheet 2 (see-saws)
IT

          Copy note then do …
     • A ‘moment’ is the turning effect of a
       force

     Complete Worksheet 1 (levers)
IT

         Copy note then do …
     • Moments are calculated using:-

      Moment      =   Force   x   Distance
       Nm               N             m

     Complete Worksheet 2 (balanced
      moments)
HT

      Copy note then do …
 • A ‘moment’ is the turning effect of a
   force

 Complete Worksheet 1 (levers)
HT

       Copy note then do …
 • Moments are calculated using:-

     Moment   =   Force   x   Distance
      Nm            N             m

 Complete Worksheet 2 (balanced
  moments)
HT

         Copy note then do …
 • To find a balancing moment …

      Distance    =    Moment ÷      Force
         m              Nm             N

       Force      =    Moment ÷ Distance
         N              Nm          m
     Now do worksheet 3 (balancing moments)
 Are You On Target Today?
Aims:-
     4 describe what a moment is
     5 explain balanced moments
     6 calculate balancing moments

				
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