Forces (HFC)
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BASIC ROOF TRUSS
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BELL CRANK LEVER
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CENTRE of GRAVITY APPARATUS
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CENTRIFUGAL FORCE APPARATUS
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COMBINED SHEAR FORCE & BENDING MOMENT
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CONSERVATION of ANGULAR MOMENTUM
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CONSERVATION of LINEAR MOMENTUM
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CORIOLIS FORCE APPARATUS
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DERRICK CRANE
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FUNICULUR POLYGON and FORCES APPARATUS
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REACTION of BEAMS APPARATUS
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ROLLING DISC on an INCLINED PLANE