K.C.S.E Physics Q & A - MODEL 2008PP1QN19
a) State the principle of moments.
b) A uniform metal strip is 3.0cm wide, 0.6cm thick d 100cm long. The density of the metal is 2.7 g/cm3.
(i) Determine the weight of the strip.
The strip placed n a pivot and kept in equilibrium by forces as shown in fig. 13
(ii) Determine the value of F and R
(iii) X is the distance from the end of the plank to the point of application of force F. Force F is now applied at various points nearer to the pivot so that x increases. Equilibrium is maintained all the time. On the axes provided sketch the relation between force F and x.
(iv) Give a reason for the answer in (iii) above
FORM I - PHYSICS SYLLABUS
FORM II - PHYSICS SYLLABUS
FORM III - PHYSICS SYLLABUS
FORM IV - PHYSICS SYLLABUS
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