3.4 pascal principle
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Activity 1 Activity 2
(3.4) Pascal’s (3.4) Pascal’s PrinciplePrinciple
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SPURT
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Pascal’s PrinciplePascal’s Principle
Stated that ;• Pressure applied to an enclosed fluid
is transmitted uniformly to every part of the liquid and to the wall of the container.
HYDRAULIC SYSTEMTOOTHPASTE
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Example ;
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Exercise ;
1.
Figure shows a hydraulic pump which is used to lift a car where piston A is connected to a hand lever and piston B is attached to platform which lift a car.a) If the pressure applied at point C is P, what can you say the pressure
at D?b) Name and elaborate on the principle that be used as the basis on
your answer at (a).c) If an external force of 10N is applied on piston A with diameter 2 cm, i) calculate the transmitted pressure P ? ii) determine the maximum weight that can be lifted if the
diameter of the piston B is 12 cm.
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Answer;
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APPLICATIONSAPPLICATIONS•Car brakes
•Crane •Dental chair
•Hydraulic jacks•Hydraulic pump
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Explain the necessary modifications so that the chair is safe and suitable the use of adults
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